When an e-bike feels sluggish or struggles on hills, the controller is often the cause. This key component regulates power from the battery to the motor. If it can’t deliver full current, you’ll get less power, slower acceleration, and reduced range. Common reasons include battery issues, controller faults, wiring problems, sensor errors, or motor limits. Checking these areas can help restore full performance.
Why a Controller Isn't Delivering Full Current
Battery-Related Roadblocks
The battery is the ebike's power source, and its health directly impacts current delivery. When an ebike experiences reduced current, the battery is often the first place to investigate.
Low Charge & Aging Batteries (Voltage Sag, Weak Cells)
A common and straightforward reason for reduced current delivery is simply a battery that is low on charge or has degraded over time. When high demands are placed on the battery, such as during heavy acceleration or climbing steep inclines, its voltage can drop sharply. This phenomenon is known as voltage sag.
If the battery is already low on charge, is old, or is not inherently capable of supplying the required current, this voltage sag can become significant, leading to a noticeable reduction in power output. Cold weather can exacerbate voltage sag because lower temperatures increase the battery's internal resistance, making it harder for the battery to deliver current efficiently.
An aging or faulty battery with imbalanced cells will also be more prone to voltage drop under load, further contributing to reduced power.
Battery Management System (BMS) Interventions (Overcurrent, Undervoltage Protection)
The BMS system constantly monitors critical parameters such as individual cell voltages, total current flow, and battery temperature. The BMS acts as a crucial safety mechanism, designed to protect the battery from damage.
If it detects that the voltage has sagged below a safe threshold (undervoltage), if the current draw is too high (overcurrent), or if the battery overheats, the BMS will trigger its protective shutdown mechanism, instantly cutting power to the motor. This often requires a manual reset, typically by cycling the battery's power switch off and on, to restore operation.
The BMS directly controls how much current the battery can safely deliver, regardless of what the controller requests. If the BMS detects unsafe conditions, it will limit or cut off power to protect the battery.
This means that even if the controller is working correctly, a worn-out, poorly matched, or stressed battery — or its BMS — can still reduce power output. For this reason, troubleshooting should always start with checking the battery’s condition and the BMS’s performance.
Poor Battery Connections (Loose, Corroded Terminals, Blown Fuses)
Even a perfectly healthy battery cannot deliver its full current if its connection to the controller is compromised. Loose battery mounting latches, corroded terminals, or damaged connectors can cause momentary breaks in contact, especially when the ebike encounters bumps or during periods of high power draw.
Corrosion significantly increases electrical resistance at the connection point. This increased resistance means that for a given current, there will be a greater voltage drop across the connection, and more energy will be dissipated as heat. This localized heat can damage surrounding insulation, melt plastic connectors, and even trigger the BMS to shut down the system.
Some ebike battery packs also contain an internal fuse, and a blown fuse or a faulty battery key switch can completely prevent power delivery to the controller.
Controller Malfunctions & Overload
Even with a healthy battery, the controller itself can be the reason for reduced current delivery.
Overheating
Heat is a major issue for electronic components, and ebike controllers are particularly susceptible. Overheating is, in fact, the leading cause of controller failures and reduced current output. It typically arises from an overload condition, where the controller is continuously asked to deliver more power than its design safely allows.
This commonly occurs during sustained high-current situations, such as climbing steep hills, carrying heavy loads, or prolonged riding at top speed. Most quality controllers incorporate protection circuits that will temporarily cut out power (known as thermal shutdown) if they become excessively hot. However, repeated or severe overheating can lead to permanent damage to the internal electronics.
Internal Component Failure (MOSFETs, Capacitors)
MOSFETs are the power transistors responsible for handling the motor's current. If these are pushed beyond their limits by excessive current or heat, they can burn out. A blown MOSFET can lead to a complete shutdown of one motor phase or even short out the entire controller, resulting in no motor response or erratic behavior.
Capacitors, which stabilize voltage, can also fail due to heat or age, potentially causing erratic operation or a non-responsive throttle. Manufacturing defects, such as insufficient thermal paste application on MOSFETs, can create localized hot spots that trigger a cascading failure under load, even under otherwise normal operating conditions.
The relationship between controller overload, overheating, and component failure forms a systemic stress feedback loop. Demanding too much power from the ebike, through actions like sustained full throttle or heavy loads, directly leads to increased heat generation within the controller. This elevated temperature then stresses and eventually damages internal components, particularly the MOSFETs.
When these components fail, the controller's ability to deliver full current is compromised. If the underlying cause of the overload—such as a rider's consistent riding style or environmental factors—is not addressed, a replacement controller will likely suffer the same issues.
Water Damage & Corrosion
Water and moisture pose significant threats to ebike electronics. Water can seep into the controller's casing, leading to corrosion or short circuits on the Printed Circuit Board (PCB). Impurities like dissolved salts in water make it highly conductive, creating unintended electrical paths that can activate components such as MOSFETs without any rider command.
This can result in erratic behavior, unexpected power surges, or even sudden, uncontrolled acceleration. Over time, corrosion further degrades insulation, making components increasingly susceptible to these unintended activations and eventual failure.
Voltage Mismatch
The controller's voltage rating must precisely match the nominal voltage of the battery it is paired with. Common ebike voltages include 36V, 48V, or 72V. Attempting to use a controller with an incompatible voltage (for example, a 72V controller with a 48V battery) can lead to immediate malfunction, severe overheating, premature shutdown, and permanent damage to the controller, motor, or battery.
Unlike current matching, where a slightly higher rating can be beneficial, voltage compatibility is an absolute, uncompromising requirement. It is the most crucial initial step in controller selection and troubleshooting.
Firmware Glitches & Incorrect Settings
While less common, software bugs or outdated firmware within the controller can cause erratic behavior, reduced power delivery, or unexpected shutdowns under specific conditions.
The firmware dictates how the controller interprets sensor data and rider inputs. Incorrectly programmed settings, such as an artificially low maximum current limit , or issues with Pulse Width Modulation (PWM) signals, can directly result in the motor receiving less voltage and consequently having a lower top speed or reduced power.
Sometimes, a simple power cycle reset of the controller can clear temporary glitches and restore normal operation.
SEE ALSO Common E-bike Controller Issues Explained
Wiring & Connection Woes
The electrical connections are crucial in an ebike system. Even a healthy battery and controller cannot perform optimally if the wiring is compromised.
Loose or Damaged Wires (Frayed, Pinched, Broken)
The entire ebike system relies on clean, solid cable connections to transmit power and signals accurately. Damaged wires—whether frayed, pinched, or completely broken—can disrupt this crucial flow. This often leads to intermittent power, reduced performance, or a complete lack of response from the motor.
Corrosion
Moisture, dirt, road salt, and even cleaning agents can infiltrate connection points, leading to corrosion on electrical connector pins. Corrosion significantly increases electrical resistance within the connection.
This increased resistance has a detrimental effect: for the same amount of current, there is a greater voltage drop across the corroded connection, and, more importantly, a substantial amount of energy is dissipated as heat.
This localized heat can damage surrounding wire insulation, melt plastic connectors, and even trigger the Battery Management System (BMS) to shut down the system as a protective measure. The impact of a seemingly minor loose connection can cascade into multiple problems, including reduced current, localized overheating, and unexpected power cuts.
Intermittent Connections (The "Wiggle Test")
When power loss is intermittent, especially if it occurs in conjunction with physical movement like wiggling wires or riding over bumps, it strongly indicates a physical wiring or connection fault.
This is a classic symptom of a loose wire, a partially broken strand within a cable, or a corroded pin that only makes proper contact under specific pressure or angle. Performing a "wiggle test" can often help pinpoint the exact location of such a fault.
The integrity of thin signal wires, such as those for the throttle, PAS, Hall sensors, and brake cut-offs, is equally critical to the thicker power cables. While these wires carry low current, their compromise can disproportionately impact overall power delivery.
A seemingly minor fray on a signal line can prevent the controller from receiving accurate input, leading to it limiting or cutting power, often mimicking a controller or motor fault.
Sensor & Input System Problems
The controller relies on various sensors to receive rider inputs and system data. If these sensors malfunction, the controller may not deliver power correctly.
Throttle Malfunctions (Physical Damage, Wiring, Potentiometer Wear)
The throttle is the rider's primary direct input for power demand. If the throttle is not sending accurate or consistent signals to the controller, the controller will not know how much current to deliver.
Common issues include physical damage to the throttle unit, accumulation of dirt that impedes its movement, internal component failure (such as wear in a potentiometer), or faulty wiring and connectors. Symptoms can range from intermittent operation, where power cuts out mid-throttle, to the ebike only functioning on pedal assist.
Error codes displayed on the ebike's screen, such as "Error Code 22 (Throttle Connection Error)" or "Error Code 30 (Communication Error)," often directly point to throttle-related issues.
Brake Cut-Off Switch Issues (Stuck "On," Misalignment, Wiring)
Many ebikes are equipped with brake cut-off switches, a critical safety feature that instantly cuts power to the motor when the brakes are applied. If a brake cut-off switch becomes faulty, gets stuck in the "on" position, or its wiring is damaged, it can continuously send a signal to the controller to cut power, even when the rider is not braking.
This will prevent the motor from engaging or cause intermittent power loss, directly impacting the ebike's ability to deliver current. Misalignment of the small magnet and sensor in magnetic brake sensors is also a common cause of this problem.
Hall Sensor Failures (Erratic Power, Noise, Wiring Damage)
Hall sensors are vital for brushless DC (BLDC) motors, as they detect the motor's rotor position, allowing the controller to energize the motor windings in the correct sequence for smooth rotation.
A Hall sensor failure can lead to erratic motor performance, a struggle to provide power smoothly, the production of loud noises (such as buzzing or grinding sounds), or the motor stopping altogether. This can be attributed to damaged internal wiring within the motor, compromised motor casing seals, overheating, physical impact, or general wear and tear.
Specific error codes, such as "Error 24 (Motor Hall Sensor Error)" or "Error 08" for Bafang motors, are common indicators of Hall sensor problems.
Pedal Assist System (PAS) Sensor Faults
The PAS sensor detects pedaling motion and signals the controller to provide motor assistance. If the PAS sensor is faulty, misaligned, or its wiring is damaged, it might send incorrect or no signals to the controller, resulting in inconsistent or absent pedal assist.
While a PAS sensor issue may not directly limit the maximum current the controller can deliver, it will prevent the controller from delivering power when pedaling is expected, leading to a perceived lack of power or responsiveness.
Motor-Related Limitations
Sometimes, the issue isn't with the power delivery system, but with the component receiving the power: the motor itself.
Motor Overload & Overheating
Similar to the controller, the ebike motor can overheat if it is consistently pushed beyond its design limits. Activities such as climbing steep hills, carrying heavy loads, or prolonged high-power usage cause the motor to draw intense current, leading to significant heat buildup.
Motor overheating can trigger an automatic shutdown to prevent permanent internal damage. If power returns to normal after the motor has had time to cool down, overheating is a highly probable cause of the power reduction.
Internal Motor Damage (Windings, Bearings)
Over time, ebike motors can experience wear and tear or suffer internal damage. Internal motor failures, such as damaged windings or worn-out bearings, can prevent the motor from operating correctly or efficiently. Degradation of winding insulation, often due to prolonged heat exposure, moisture ingress, or excessive vibration, can lead to reduced efficiency, increased internal resistance, and ultimately, short circuits or open circuits within the windings.
These electrical faults directly impact the motor's ability to draw and convert current efficiently, resulting in reduced power output. Bearing failure is a common cause of motor malfunction, frequently indicated by unusual noises like growling or rumbling, and increased vibration during operation.
Motor's Inherent Power Limits
In some cases, the motor itself is the inherent limiting factor for current delivery. If an ebike motor is rated for a lower power output (e.g., 250W) than the rider desires, even a fully functional controller delivering its maximum current will not enable the motor to perform beyond its designed capabilities.
The true peak power of the entire ebike system is determined by multiplying the battery's voltage by the controller's maximum current limit (Volts x Amps). If this calculated peak wattage is constrained by the motor's specified capacity, then the motor will inherently not draw more current than it is designed to handle.
The motor can act as a passive current regulator. Even if the controller is capable of delivering more current, the motor's inherent design, its internal resistance, and its operational characteristics will only draw the amount of current it needs and can efficiently convert into mechanical energy.
For example, once a motor reaches its maximum RPM for a given voltage, increasing the current beyond what is necessary to overcome friction and drag will primarily generate more heat rather than increase speed. This means that reduced current delivery is not always a "fault" in the active components like the battery or controller.
Sometimes, the motor simply isn't designed to draw more current, or its internal health (e.g., degraded windings or bearings) limits its ability to convert electrical energy efficiently, leading to a perceived "weakness" even if the controller is functioning optimally.
Step-by-Step Troubleshooting
When an ebike controller isn't delivering full current, a systematic approach to troubleshooting can help pinpoint the exact cause.
Initial Checks
Always begin with the simplest and most common culprits before delving into complex diagnostics.
Battery Charge & Connections
Ensure the battery is fully charged. A low charge is a very common and easily overlooked cause of power loss. Visually inspect the battery contacts and its mounting point for any signs of looseness or corrosion. If corrosion is present, clean it gently with a vinegar-and-water solution. Confirm that the battery is firmly seated in its dock, as even a slight wobble can cause intermittent power cuts.
Visual Inspection of Wiring & Controller
Turn off the ebike completely before performing any visual checks. Carefully inspect the controller unit itself for any signs of physical damage, such as cracks, burn marks, or loose connections. Then, meticulously examine the entire wiring harness, tracing cables from the battery, motor, throttle, and sensors to the controller.
Look for any cuts, frays, exposed wires, or areas where wires might be pinched. Gently tug on connections to check for any looseness. Pay particular attention to the motor phase wires; discolored insulation can indicate excessive heat due to a poor connection.
Loose or corroded connections are a significant factor in reduced current delivery. These issues don't just interrupt power; they increase electrical resistance, which leads to a greater voltage drop across the connection and, critically, more energy being dissipated as heat. This localized overheating can damage surrounding insulation, melt plastic connectors, and even trigger the Battery Management System (BMS) to shut down the system.
Checking for Error Codes on Display
The ebike's display unit is a valuable diagnostic tool that can provide immediate clues. Many ebike systems will show specific error codes that directly point to the problem area. Common examples include throttle connection errors (e.g., Error 22, Error 30), motor Hall sensor errors (e.g., Error 24, Error 08), or brake system malfunctions (e.g., Error 002). Always consult the ebike's user manual to correctly interpret these codes, as they can vary between manufacturers and models.
SEE ALSO Common E-bike Error Codes Explained and How to Fix Them
Advanced Diagnostics (When to Grab a Multimeter)
If the initial checks don't resolve the issue, a multimeter becomes an indispensable tool for deeper electrical diagnosis.
Testing Battery Voltage (Rest & Under Load)
A multimeter allows for precise measurement of electrical quantities. First, measure the battery's voltage when it is at rest (no load). Then, measure it again while the ebike is under load (e.g., attempting to accelerate the bike on a stand or gently riding). A significant voltage drop under load, indicating excessive voltage sag, points to a struggling battery or a BMS that is prematurely cutting off power.
For example, a 36V battery should typically read between 31V and 42V, and a 48V battery between 39V and 54.6V. If the voltage drops below the under-voltage protection threshold under load, the BMS will intervene.
Verifying Throttle Voltage Output
If the motor does not respond to throttle input, testing the throttle's output signal can be highly informative. With the controller powered on, connect a multimeter's black probe to the throttle's ground wire (usually black) and the red probe to the signal wire (often green). Slowly twist the throttle from its idle position to full power, observing the DC voltage reading on the multimeter.
The voltage should respond proportionally to the throttle's position, typically ranging from around 0.8V at idle to about 4.2V at full throttle. A lack of voltage, an inconsistent reading, or a reading that does not change proportionally indicates a faulty throttle unit or a problem with its wiring. The diagnostic power of proportionality is key here; power delivery is not just about "on" or "off" but about the smooth, proportional control a rider expects.
A throttle that only provides full power or no power, or a sensor that gives inconsistent readings, indicates a problem with the signal quality that directly impacts the controller's ability to deliver current precisely.
Checking Hall Sensor Signals
For those comfortable with electrical troubleshooting, checking Hall sensor signals can help pinpoint motor or controller issues. First, disconnect the battery for safety. Then, test the 5V power supply to the Hall sensors by placing the multimeter's probes on the red (VCC) and black (Ground) wires of the Hall sensor harness; it should read around 4.5V–5V. Next, keep the black probe on ground and place the red probe on each of the three signal wires (typically green, yellow, and blue) one by one.
Slowly rotate the wheel; the voltage on each signal wire should toggle between a low state (around 0V) and a high state (around 5V) as the wheel turns. A constant voltage (stuck high or low) or inconsistent voltage changes indicates a bad sensor or a broken wire within the motor or harness.
The Power Cycle Reset
For many temporary glitches or minor software bugs, a simple power cycle reset can often restore normal function to the controller and the ebike. This process effectively clears any leftover electrical charge within the controller's capacitors and allows its internal logic to reboot cleanly.
How to Perform a Controller Reset:
Turn off the ebike completely: Ensure the main power button, usually located on the display screen or directly on the battery, is used to fully power down the system.
Disconnect the battery: Carefully remove the battery from the ebike. Handle it gently and place it on a clean, dry surface.
Wait 5-10 minutes: This crucial waiting period allows any residual electrical charge to dissipate from the controller's internal components, ensuring a complete reset.
Reconnect the battery: Firmly and securely reattach the battery to the ebike. Double-check that all connections are tight and clean to ensure proper power flow without interruptions.
Turn the ebike back on: Power up the ebike and test the throttle response and pedal assist functionality. Observe the display unit for any signs of improvement, such as smoother operation or the disappearance of error codes.
If the problem persists after performing this basic reset, it may be necessary to check for a dedicated reset button on the controller itself or to explore reset options within the ebike's display panel settings, as some models offer these features.
Prevention & Maintenance
Consistent maintenance and smart riding habits are key to preventing reduced current delivery and prolonging the lifespan of an ebike's components.
Protecting a Controller from the Elements
Avoiding Overheating (Smart Riding, Ventilation)
Overheating remains the leading cause of controller failure. To prevent this, it is important to avoid overloading the ebike by carrying excessive weight or attempting to climb hills that are too steep for the motor's power rating. Riders should be aware of their ebike's maximum current and voltage ratings and operate within those parameters.
After strenuous use, especially on hot days, allowing the controller and motor to cool down is beneficial. Ensuring the controller is mounted in a location that receives adequate airflow for cooling is also important.
For high-power setups, some riders consider cooling enhancements like additional heat sinks or fans, though this should be done with caution and professional advice.
Keeping it Dry (Waterproofing, Cleaning)
Water damage is a frequent cause of controller failure. Riders should avoid riding through heavy rain or submerging the ebike in water. If riding in wet conditions is unavoidable, considering waterproof covers or sleeves for the controller can offer protection.
If the controller does get wet, it is crucial to dry it thoroughly as soon as possible. Regular cleaning of the ebike is also important to prevent dirt, dust, and debris buildup around the controller, which can impede heat dissipation and interfere with its operation.
Beyond direct exposure, the "invisible" threat of humidity and condensation can also damage an ebike's electronics. Storing an ebike in a humid environment, such as a damp garage or outdoors even under a roof, can allow moisture to penetrate the motor and controller over time.
Condensation, especially when using a bike cover in varying temperatures, can also accumulate and cause damage. This expands the concept of "keeping it dry" beyond just riding conditions to include proper storage environments, as sustained humidity can insidiously corrode internal components and create short circuits, leading to delayed failures that are difficult to trace.
Maintaining Electrical Integrity
Regularly Inspecting & Cleaning Connections: Periodically inspecting all main electrical connections is a fundamental maintenance practice. This includes connections from the battery to the controller, motor phase wires, Hall sensor cables, throttle, brake cut-off switches, and the display. Look for cleanliness, tightness, and any signs of corrosion or physical damage.
If possible, unplug, clean the contacts with a specialized electrical contact cleaner, and firmly plug them back in. For battery terminals, cleaning any corrosion with a vinegar-and-water solution is recommended. After cleaning, reapplying dielectric grease to connectors can create a moisture barrier, helping to prevent future corrosion.
Loose or corroded connections increase electrical resistance, leading to voltage drops and heat generation. By minimizing this resistance and ensuring full current flow, riders are directly optimizing their ebike's power output and efficiency.
This helps prevent the gradual degradation of performance that often precedes a complete component failure, ensuring the ebike consistently delivers its intended power.
Securing Loose Wires
Using zip ties or electrical tape to secure loose wires and wiring harnesses is a simple yet effective measure. This prevents repeated bending, rubbing against the ebike frame, or vibrations from causing fraying, cuts, or disconnections over time. Proper cable routing, ensuring wires are not pinched or under undue strain, is crucial for long-term electrical integrity.
Smart Riding Habits for Longevity
The rider's behavior plays a significant role in the longevity and performance of an ebike's electrical components.
Avoiding Overloading & Steep Climbs
Adhering to the ebike's weight limit and avoiding carrying excessive loads is important. When encountering steep hills, especially with a mid-drive motor, shifting to a lower gear can significantly reduce strain on the motor and controller. For hub motors, contributing more with pedaling on inclines helps alleviate the electrical load. Consistently pushing the motor beyond its design limits can lead to premature failure of components.
Smooth Acceleration & Gearing
Avoiding sudden, full-throttle starts is a beneficial habit. Instead, accelerating gently by pedaling in a low gear or gradually applying the throttle reduces the immediate high load and stress placed on the battery, controller, and motor. Riding smoothly with consistent, moderate power is generally more favorable for component longevity than abrupt throttle changes or bursts of acceleration.
Monitoring Battery Levels
It is advisable to avoid pushing the ebike to its performance limits when the battery charge is low. Low battery charge, particularly below 50%, can frequently trigger BMS cut-offs under high load conditions. Being gentle on acceleration when the battery level is low can help prevent these sudden power interruptions.
Additionally, storing the battery indoors at room temperature during extreme conditions, and at approximately half charge for long periods of non-use, helps maintain its overall health and capacity.
Many instances of reduced current delivery, overheating, and component stress are linked to "overload," "excessive current draw," and demanding riding conditions like "steep hills" or "heavy loads". By adopting smart riding habits, a rider can actively reduce the electrical and thermal stress on the controller, battery, and motor.
This not only prevents issues like reduced current delivery but also significantly prolongs the operational lifespan of these expensive components, giving the rider actionable control over their ebike's health.
When to Seek Professional Help
While many ebike issues can be diagnosed and resolved with DIY troubleshooting, some problems require specialized tools, in-depth knowledge, or specific safety precautions.
Persistent Battery Problems
If the battery consistently experiences power loss under load, shows physical damage (such as swelling or leaking), or exhibits unusual heat, it is crucial to have a professional inspect it. Tampering with lithium batteries without proper expertise carries significant safety risks.
Frequent Shut-offs Despite DIY Fixes
If an ebike continues to experience frequent power cut-offs or reduced current delivery even after performing basic troubleshooting steps and addressing obvious issues, it often suggests a more complex internal fault within the controller, motor, or wiring harness. These situations typically require specialized diagnostic equipment and expertise to accurately identify and resolve.
Electrical Burn Smell or Component Failure
Any distinct smell of burnt electronics, visible smoke, or sparks emanating from the ebike's electrical system demands immediate professional attention. These are clear indicators of a serious electrical fault that could lead to further damage or pose significant safety hazards.
Under Warranty or Complex Systems
If the ebike is still under warranty, contacting the manufacturer or an authorized service center is advisable to avoid voiding the warranty. This is especially true for high-end ebikes that may utilize proprietary software or require specific calibration procedures for their components.
Lack of Tools or Experience
For individuals who are uncomfortable with electrical troubleshooting, working with high-voltage components, or who do not possess the necessary multimeters or specialized cables, consulting a bike mechanic with ebike expertise is the safest and most effective course of action. Professionals can perform diagnostics and repairs safely and effectively.
FAQs
Why is an ebike suddenly losing power or feeling sluggish?
Sudden power loss or sluggishness often points to issues with the battery (low charge, aging, BMS cutoff), the controller (overheating, internal failure, voltage mismatch), or wiring (loose, corroded connections). Sensor malfunctions (throttle, brake cutoff, Hall sensors) and motor overload can also cause reduced power output.
How can one tell if an ebike controller is the main problem?
Signs of a controller issue include erratic power, sudden cut-outs even with a healthy battery, the controller feeling extremely hot, or error codes specifically pointing to controller faults. Sometimes, a simple power cycle reset can resolve temporary glitches. If the motor doesn't spin freely when off (potentially indicating a shorted MOSFET) or if there's a burning smell, the controller is likely at fault.
What are the simplest steps to troubleshoot reduced current delivery?
Start by ensuring the battery is fully charged and its connections are clean and tight. Visually inspect all wiring for damage or looseness. Check the ebike's display for any error codes. If these basic checks don't resolve the issue, try performing a power cycle reset on the controller by disconnecting the battery for a few minutes.
