Grizzly 72v PPB - Error Code E18Updated a day ago
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) to protect the battery cells.
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 E18
- Stop Riding & Park in the Shade: Stop riding immediately, pull over safely, and park your electric motorized bike in a cool, shaded area out of direct sunlight.
- 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 system monitoring. Leave both batteries off for step 3.
- Allow BMS to Cool: Let the bike and battery packs rest stationary for a minimum of 20 to 30 minutes to allow the internal BMS and cell temperatures to cool down to safe levels.
- Reinstall & Resume at Reduced Throttle: Reinstall both batteries, power on the display to verify Error E18 has cleared, and resume riding using reduced throttle and increased pedal assistance.
Need Further Assistance?
If error code E18 persists after allowing the batteries ample time to cool and performing a dual-battery DCE reset, please contact our support team through our Contact Form.
IMPORTANT: Photos and videos are essential for resolving technical support tickets. Please attach clear photos showing your battery serial numbers and display screen showing Error E18 when submitting your ticket.