Grizzly 72v PPB - Error Code E20Updated a day ago
Error code E20 indicates an internal display fault, meaning the LCD display unit has encountered an processing or memory communication error.
CRITICAL WARNING: Always power cycle—Dissipate Controller Energy (DCE)—your motorized bike before disconnecting or reconnecting any electrical components. On dual-battery models, both batteries must be removed to perform a proper DCE. Step-by-step guidance is available in our Power Cycle (DCE) Guide.
Troubleshooting Steps for Error E20
- Power Cycle (DCE - Both Batteries): Turn off the bike, remove both batteries from the frame, and perform a full DCE power cycle to dissipate residual controller power and reset display memory. Leave both batteries off for step 2.
- Inspect Display Connector: While the system is completely powered off and drained of residual power, trace the cable leading from the back of the display unit to its quick-disconnect plug. Unplug the connector and check for bent, broken, or pushed-back internal pins, then firmly press it back together ensuring the alignment arrows line up.
- Reinstall Batteries & Test: Reinstall both batteries, power on the bike, and check if Error E20 clears from the display.
Need Further Assistance?
If error code E20 persists after performing a dual-battery DCE reset and verifying display cable connections, please contact our support team through our Contact Form.
IMPORTANT: Photos and videos are essential for resolving technical support tickets. Please attach clear photos of your display screen showing the error code and the internal pins on your display quick-disconnect plug when submitting your ticket.