23
Alarm type
code
Possible cause
Remedy
Fault
24
The internal inverter relay is stick to
short circuited or the SCR of STS (Static
Transfer Switch) is short-circuited.
Contact the dealer for repair.
Fault
2A
The battery or charger is short circuited. Contact the dealer for repair.
Fault
35
Parallel cable for communication is not
connected well in the parallel system.
Connect the parallel cable well.
Fault
36
The output current is extremely
unbalanced between the paralleled
UPSs. There is some error in the
parallel system.
Contact the dealer for repair.
Fault
41
The internal temperature is too high and
reaches the fault level (shutdown point):
1) Maybe the environment is hot.
2) Maybe the fan is blocked or failed.
3) Maybe the ventilation is blocked by
the wall or other goods.
4) Overload
1)
Make sure the ambient
temperature not over 40ºC;
2) Make sure the fan is OK;
3) Make sure the ventilation is well;
4) Remove some loads if possible.
Fault
42
Internal communication between the
CPUs failed
Contact the dealer for repair.
Fault
43
Overload times are out of the
specification and the UPS shuts down
automatically.
Remove excess loads from UPS
output and restart it.
