31
Fault
1A: NegPower
UPS output power is negative. It
means there is energy feedback
into the internal of UPS from
output. It may be caused by
regenerative load; or caused by
the current control failure in the
parallel system.
Contact the dealer.
Fault
21: Batt SCR Short The internal battery SCR is failed
and short.
Contact the dealer for repair.
Fault
24: Inv Rly Short
The internal inverter relay is stick
to short or the SCR of STS (Static
Transfer Switch) is short.
Contact the dealer for repair.
Fault
35: Para Comm Fail
Parallel cable for communication is
not connected well in the parallel
system.
Connect the parallel cable well.
Fault
36: OP.I Unbalance
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: Over Temp
The internal temperature is too
high and reach the fault level
(shutdown):
1)
Maybe the environment is hot;
2)
Maybe the fan is blocked or
failed;
3)
Maybe the ventilate is blocked
by the wall or other goods;
4)
Load is too heavy.
1)
Make sure the ambient
temperature not over 40ºC;
2)
Make sure the fan is OK;
3)
Make sure the ventilate is
well;
4)
Remove some loads if
possible.
Fault
42: CPU Comm Fail
Internal communication between
the CPUs failed
Contact the dealer for repair.
Fault
43: Over load
Overload time is out of the
specification and the UPS shut
down automatically.
Remove excess loads from UPS
output and restart it.
