Sudden loss of assist, especially at low speed
Check throttle and PAS connections; monitor for safety sensor faults; escalate persistent cutoffs.
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Sudden power loss, sometimes mid-ride
Inspect main battery connection/lock. Check if battery “pops out” or connector is dirty/loose. Reseat battery; if shuts off repeatedly, contact support for controller/battery replacement.Sudden power loss in normal operation
Immediately check if system powers back on (battery connection may work loose). If not, check display/battery connectors, look for hot spots or burnt smell. Power cycle all electronics; escalate to support for replacement parts based on symptoms.Bike not attaining expected e-assist speed
Ensure battery fully charged. Check for tire drag (fender/rubbing). Review all PAS/throttle display settings. If still slow, test motor performance (may need service).ENVO Flex Urban
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