UPS and Module Control Panel
38 Modular UPS 25KVA~900KVA User Manual
Table 4.2 codes for faults and warnings
Codes
Description
Codes
Description
16 Main
voltage
abnormal
67
Battery polarity reversed
18
Bypass phase sequence fault
69 Inverter
protected
20
Bypass voltage abnormal
71 Neutral
disconnected
28
Bypass Over-track frequency
74
Module shut down manual
30
Transfer times (from inverter to
bypass) in 1 hour exceed the
limit.
81
Battery or charger fail
32 Output
shorted
83
Lost N+X redundancy
34
EOD of battery
85
EOD system inhibited
38
Battery test fail
93
Inverter IO CAN fail
41 Battery
maintenance
fail
95
Data CAN fail
47
Rectifier fail
97
Power share fail
49
Inverter fail
109 Inverter
bridge
open
51
Rectifier over temperature
111
Temperature difference
over limit
53 Fan
fail
113 Input
current
unbalanced
55 Output
overload
115
DC bus over voltage
57
Output overload time out
117
Rectifier soft start fail
59 Inverter
over
temperature
119 Relay
open
61
UPS inverter Inhibited
121 Relay
shorted
65 Low
battery
127
Transfer to inverter manually
