27
Alarm
type
code
icon
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 40
º
C;
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.