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User Manual for Lead Acid Interactive UPS
04/22v.1
Page 32
VD-Series (5000VA-10kVA)
Chatsworth Products (CPI)
4.4 Fault Code Descriptions
Fault event
Fault
code
Icon
Fault event
Fault
code
Icon
Bus start failure
01
None
Battery SCR short circuited
21
None
Bus over
02
None
Inverter relay short circuited
24
None
Bus under
03
None
Charger short circuited
2a
None
Bus unbalance
04
None
Can communication fault
31
None
Inverter soft start failure
11
None
Parallel output current unbalance
36
None
High Inverter voltage
12
None
Over temperature
41
None
Low Inverter voltage
13
None
CPU communication failure
42
None
Inverter output short circuited
14
Overload
43
Negative power fault
1A
None
Battery turn-on failure
6A
None
Inverter over current
60
None PFC current failure in battery mode
6B
None
Inverter waveform abnormal
63
None
Bus voltage changes too fast
6C
None