CBE • Battery Charger

CBE BC222/BC122

Official technical documentation and workshop diagnostics for BC222/BC122.

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningStep-by-Step DIY FixSuggested Actions
2 yellow LED flashes
Battery charger over-temperature alarm
The alarm resets itself when the battery charger cools down. Check ventilation.DIY Safe
3 yellow LED flashes
Unsuitable battery voltage alarm
Use only 12V batteries.DIY Safe
4 yellow LED flashes
Unsuitable mains voltage alarm
Check that the mains voltage is within the range of 187–264V . If the alarm reoccurs, consult technical support.DIY Check / Tech Fallback
5 yellow LED flashes
Battery charge alarm defective
The alarm resets by disconnecting the power supply. If it reoccurs, consult technical support.DIY Check / Tech Fallback
6 yellow LED flashes
Battery over-temperature alarm (t > 50°C)
Possible Cause: Battery temperature > 50°C
Charging is momentarily interrupted and the alarm self-resets when the battery cools down. Check the ventilation of the battery compartment or the state of the battery.DIY Safe
8 yellow LED flashes
Short circuit alarm
The alarm self-resets when the output short circuit is eliminated.DIY Safe