3 Troubleshooting
Error
Description
code
E54
Overvoltage
E51/
Charge/discharge over
E52
temperature
Discharge
E55
undervoltage
E57 Discharge overcurrent
E63
Fuse fault
E62
Relay fault
1. Check whether the battery is fully charged. If the battery is
fully charged, it is normal for the battery to overvoltage.
2. If the battery is not fully charged, but an over-voltage
protection occurs, please contact an authorized ePropulsion
dealer.
1. Disconnect the charger/machine.
2. If the temperature is too high, cool the battery. After the
temperature decreases, restart the battery. Please operate the
battery at a suitable temperature.
3. If the temperature is too low, please use the battery at an
appropriate temperature.
4. If the fault persists, please contact an authorized ePropulsion
dealer.
1. Stop discharging.
2. Charge the battery.
3. If the fault persists, please contact an authorized ePropulsion
dealer.
1. Disconnect the machine.
2. Restart the battery, and check. If the fault persists, please
contact an authorized ePropulsion dealer. If the fault does not
persist, check the external circuitry for short-circuit or whether
to connect with the high-current load.
3. If the fault persists, please contact an authorized ePropulsion
dealer.
1. Check whether the battery and external cable are short-
circuited
2. If there is no short circuit, disconnect all connections to the
battery. Then restart the battery after a while, and see if the
fault persists.
3. If the fault persists, please contact an authorized ePropulsion
dealer.
1. Check if the battery is connected with other devices.
2. Disconnect all connections to the battery. Then restart the
battery after a while, and see if the fault persists.
3. If the fault persists, please contact an authorized ePropulsion
dealer.
18
Solution