Troubleshooting for your Grizzly 72v

Grizzly 72v PPB - Troubleshooting Introduction

This initial self-guided troubleshooting guide helps an owner decide whether a safe external inspection is possible. It does not authorize component disassembly, repeated fault testing, hidden setting alterations, or operating the vehicle after a saf

Grizzly 72v PPB - Error Code E01

Error code E01 indicates that a motor cut-off switch is currently engaged, which prevents the motor from receiving power as a safety measure. If error code E01 persists after inspecting brake switch connectors and completing a dual-battery DCE reset,

Grizzly 72v PPB - Error Code E02

Error code E02 indicates that the throttle is sending an unexpected signal to the controller. This usually occurs when the throttle is being twisted, pressed, or stuck engaged while the bike is powering on. If error code E02 persists after verifying

Grizzly 72v PPB - Error code E03

Error code E03 indicates a pedal assist communication fault, meaning the cadence or torque sensor is not producing the expected signal to the controller. If error code E03 persists after confirming that the connection is secure, undamaged, and proper

Grizzly 72v PPB - Error Code E04

Error code E04 indicates that the controller temperature has exceeded its safe operating threshold. This protection mechanism triggers during sustained high-load riding (such as steep climbs or high speeds in warm weather) or if airflow to the contro

Grizzly 72v PPB - Error Code E05

Error code E05 indicates that your motor temperature has exceeded safe operating limits. This thermal protection mode typically triggers during long hill climbs, high-load riding relying solely on throttle without pedaling assistance, or riding in ex

Grizzly 72v PPB - Error Code E06

Error code E06 indicates an under-voltage fault on your 72V system, meaning total operating voltage has dropped below the low-voltage cutoff threshold of 60V. This typically occurs when the battery pack is depleted or if a battery connection drops un

Grizzly 72v PPB - Error Code E07

Error code E07 indicates a phase current fault, meaning the controller detected an abnormally high electric current spike in the motor phase wires. This is typically triggered by launching under full throttle from a complete stop, a locked rear wheel

Grizzly 72v PPB - Error Code E08

Error code E08 indicates a display communication fault, meaning the signal link between the main controller and the LCD display unit has been interrupted for longer than two seconds. If error code E08 persists after performing a dual-battery DCE powe

Grizzly 72v PPB - Error Code E10

Error code E10 indicates a motor Hall sensor fault, meaning the controller is not receiving position signals from the internal sensors inside the motor. If error code E10 returns after verifying that the motor cable and connection are dry, secure, an

Grizzly 72v PPB - Error Code E12

Error code E12 indicates a dual-battery voltage imbalance, meaning the voltage difference between your two battery packs exceeds the maximum allowed 2.0V threshold. If error code E12 persists after fully charging and balancing both battery packs, ple

Grizzly 72v PPB - Error Code E13

Error code E13 indicates that a charger plug has been detected in the battery charging port while the bike is powered on or prepared for riding. If error code E13 persists after unplugging the charger, inspecting charge ports, and performing a dual-b

Grizzly 72v PPB - Error Code E14

Error code E14 indicates an over-voltage condition detected in the down tube battery pack, meaning its voltage level has exceeded safe operating limits. Please contact our team directly through our Contact Form so our technical team can assist you sa

Grizzly 72v PPB - Error Code E15

Error code E15 indicates a critical under-voltage condition on the down tube battery, meaning its voltage level has dropped below its rated safe operating threshold. If error code E15 does not clear after fully charging and balancing the down tube ba

Grizzly 72v PPB - Error Code E16

Error code E16 indicates an over-voltage condition detected in the top tube battery pack, meaning its voltage level has exceeded safe operating limits. Please contact our team directly through our Contact Form so our technical team can assist you saf

Grizzly 72v PPB - Error Code E17

Error code E17 indicates a critical under-voltage condition on the top tube battery, meaning its voltage level has dropped below its safe operating threshold. Please contact our support team through our Contact Form so our technical team can assist y

Grizzly 72v PPB - Error Code E18

Error code E18 indicates that the internal Battery Management System (BMS) temperature has exceeded its safe operating threshold. This thermal protection mode triggers during high-load riding (such as long climbs or heavy throttle use in hot weather)

Grizzly 72v PPB - Error Code E19

Error code E19 indicates a main contactor fault, meaning the high-voltage relay has failed to close correctly at power-on or has remained stuck closed at power-off. If error code E19 persists after cycling the power switch and performing a full dual-

Grizzly 72v PPB - Error Code E20

Error code E20 indicates an internal display fault, meaning the LCD display unit has encountered an processing or memory communication error. If error code E20 persists after performing a dual-battery DCE reset and verifying display cable connections

Grizzly 72v PPB - Error Code E21

Error code E21 indicates that your down tube battery has exceeded its safe operating temperature threshold. This protection mechanism triggers during heavy battery use (such as sustained high speeds, steep climbs, or riding in direct sun) to protect

Grizzly 72v PPB - Error Code E22

Error code E22 indicates that your lower battery has exceeded its safe operating temperature threshold. This thermal protection mode triggers during heavy power demands (such as high-speed cruising, steep climbs, or hot weather riding) to protect int

Grizzly 72v PPB - Error Code E23

Error code E23 indicates that an over-voltage condition has been detected from the charger, meaning the charging input voltage exceeds safe operating limits. If error code E23 persists while using the correct, verified Ariel Rider OEM charger, please

Grizzly 72v PPB - Error Code E24

Error code E24 indicates that the charger has exceeded its safe operating temperature threshold during a charging cycle. If error code E24 persists after cooling the charger and attempting a recharge in a cool area, please contact our support team th

Grizzly 72v PPB - Error Code E25

Error code E25 indicates a charger communication fault, meaning the controller is not receiving a data connection signal from the smart charging unit. If error code E25 returns after verifying charger connections and completing a dual-battery DCE res

Grizzly 72v PPB - Error Code E26

Error code E26 indicates a microSD card fault, meaning the display unit is unable to read, write, or recognize the inserted memory card. If error code E26 persists after formatting and re-seating your microSD card, or if you suspect the card slot its

Grizzly 72v PPB - Error Code E27

Error code E27 indicates a dash cam fault, meaning the display unit recognizes that the camera module is plugged in, but it is not receiving a valid video stream. If error code E27 persists after re-seating the camera ribbon cable and performing a du

Grizzly 72v PPB - Error Code E28

Error code E28 indicates a Bluetooth pairing fault, meaning the display unit failed to initialize its Bluetooth module or unexpectedly lost connection to a paired device. If error code E28 persists after clearing device connections and completing a d

Grizzly 72v PPB - Error Code E30

Error code E30 indicates a throttle calibration error, meaning the controller is receiving an out-of-range or misaligned signal voltage from the throttle assembly. If error code E30 does not clear or the throttle auto-calibration continuously fails,

Grizzly 72v PPB - Error Code E31

Error code E31 indicates a brake lever sensor fault, meaning the controller detects that one or both brake cut-off sensors at the handlebars have been disconnected or have lost signal continuity. If error code E31 persists after inspecting brake pigt

Grizzly 72v PPB - Error Code E32

Error code E32 indicates a missing or disconnected battery fault, meaning the controller detects that one of the battery packs is turned off, disconnected, or not properly installed on the bike. If error code E32 persists after verifying both battery

Grizzly 72v PPB - Error Code E33

Error code E33 indicates an over-current condition detected in the 12V DC-to-DC converter, which powers your bike's low-voltage electrical accessories (headlight, tail light, turn signals, horn, and dash cam). If error code E33 persists after turning

Grizzly 72v PPB - Error Code E35

Error code E35 indicates a startup configuration fault, meaning the controller or display failed to load its initial system settings or parameter file correctly upon boot-up. If error code E35 persists after resetting system parameters, re-verifying