ABB PowerValue 11/31 T Operating Manual page 44

Heat sink Over
Temperature Fault
Alarm code:81
DC BUS over-voltage
Alarm code:21
DC BUS under-voltage
Alarm code:22
DC BUS unbalanced
Alarm code:23
DC BUS short circuited
Alarm code:24
DC BUS softstart failure
Alarm code:25
INV over-voltage
Alarm code:32
INV under-voltage
Alarm code:33
INV softstart Failure
Alarm code:34
Negative power failure
Alarm code:E1
Parallel cable loss
Alarm code:E2
Backfeed
Alarm code:93
Please collect the following information before calling the After-Sales Service Department:
1. Model number, serial number
2. Date on which the problem occurred
3. LCD/LED display information, buzzer alarm status
4. Mains power condition, load type and capacity, environment temperature, ventilation condition
5. Information on external batteries (battery capacity, quantity)
Modifications reserved
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Inside temperature
of UPS is too high
UPS internal fault
UPS internal fault
UPS internal fault
UPS internal fault
UPS internal fault
UPS internal fault
UPS internal fault
UPS internal fault
The load is totally
inductive or totally
capacitive
The parallel cable is
disconnected
UPS internal fault
Ensure the UPS is not overloaded, the
air vents are not blocked and the
ambient temperature is not too high.
Wait for 10 minutes for the UPS to
cool down before turning it on again. If
failed, contact the service center.
Contact UPS supplier.
Contact UPS supplier.
Contact UPS supplier.
Contact UPS supplier.
Contact UPS supplier.
Contact UPS supplier.
Contact UPS supplier.
Contact UPS supplier.
Remove non-critical loads to ensure
that it is not overloaded.
Power on the UPS. If bypass is
normal, the UPS will go on bypass
mode.
Check the parallel cable.
Do not touch any terminal of the
equipment even if the utility power has
been cut-off. Contact UPS dealer.