LFP Battery Module – Product Manual
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Issued for Use
Revision
Page
4/03/2020
2.1
13 of 25
Trouble shooting
SYMPTOM / FAULT
POSSIBLE CAUSE
POSSIBLE SOLUTION
NO OUTPUT VOLTAGE AT
IN/OUT J1 POWER CONNECTOR
CIRCUIT BREAKER TURNED
OFF/TRIPPED
TURN ON THE CIRCUIT BREAKER
BMS
UNDER VOLTAGE, IN PROTECTION
MODE, OUTPUT OFF
RECHARGE THE BATTERY AND RECHECK
FOR CORRECT OUTPUT VOLTAGE
BMS
OVERCURRENT, IN PROTECTION
MODE, OUTPUT OFF
CHECK FOR SHORT CIRCUITS OR
EXCESSIVE CURRENT DRAW
BMS
OVER VOLTAGE, IN PROTECTION
MODE, OUTPUT OFF
CHECK FOR CHARGING CIRCUIT
SUPPLYING EXCESSIVE CHARGE
VOLTAGE
BMS
OVER TEMPERATURE, IN PROTECTION
MODE, OUTPUT OFF
CHECK AND INVESTIGATE REASON FOR
HIGH TEMPERATURE
OTHER
RETURN TO GENZ FOR SERVICE
GREEN LED NOT ILLUMINATING
WHEN CIRCUIT BREAKER ON
BMS
UNDER VOLTAGE, IN PROTECTION
MODE, OUTPUT OFF
RECHARGE THE BATTERY AND RECHECK
FOR CORRECT OUTPUT VOLTAGE
BMS
OVERCURRENT, IN PROTECTION
MODE, OUTPUT OFF
CHECK FOR SHORT CIRCUITS OR
EXCESSIVE CURRENT DRAW
BMS
OVER VOLTAGE, IN PROTECTION
MODE, OUTPUT OFF
CHECK FOR CHARGING CIRCUIT
SUPPLYING EXCESSIVE CHARGE
VOLTAGE
BMS
OVER TEMPERATURE, IN PROTECTION
MODE, OUTPUT OFF
CHECK AND INVESTIGATE REASON FOR
HIGH TEMPERATURE
BATTERY VOLTAGE TOO LOW
RECHARGE THE BATTERY MODULE
OTHER
RETURN TO GENZ FOR SERVICE