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No.
Alarm Message
9
BAT LOW
WARNING
10
LOW BAT CUT
OFF
11
BAT REPLACE
REQUIRED
12
PWR UNIT #n
CHARGER FAIL
13
BAT OVER
CHARGE
14
BAT MISSING
15
PWR UNIT #n
PFC OVER HEAT
WARNING
16
PWR UNIT #n
PFC OVER HEAT
SHUTDOWN
17
PWR UNIT #n
INV OVER HEAT
WARNING
Possible Cause
Battery voltage is lower than
warning limit.
Battery voltage is lower than
shutdown limit.
1. System date is wrongly set.
2. Battery replacement date
is due.
Charger temperature is too
high.
Charger is abnormal.
1. Wrong battery wiring.
1. Fans have abnormalities.
2. Foreign matter is stuck in
the fans.
1. Fans have abnormalities.
2. Foreign matter is stuck in
the fans.
1. Fans have abnormalities.
2. Foreign matter is stuck in
the fans.
11- 3
11
Solution
If there is no backup power,
immediately shut down the critical
loads connected to the UPS.
If there is no backup power, the UPS
will automatically discontinue power
supply to the critical loads to protect
battery until battery power recovers.
1. Check if system date is set
correctly. If not, correct it.
2. Check if battery replacement date
is due. If yes, contact service
personnel to replace battery(ies).
Contact service personnel.
Contact service personnel.
1. Check if battery wiring is correct
or not. If not, contact service
personnel.
2. Check if battery voltage is
abnormal or not. If yes, contact
service personnel.
Check if fans work abnormally or
foreign matter is blocking a fan. If
yes, contact service personnel. If not,
please decrease some critical loads.
Check if fans work abnormally or
foreign matter is blocking a fan. If
yes, contact service personnel. If not,
please decrease some critical loads.
Check if fans work abnormally or
foreign matter is blocking a fan. If
yes, contact service personnel. If not,
please decrease some critical loads.
Troubleshooting
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