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No.
Alarm Message
37
INPUT
TRANSFORMER
OVER HEAT
38
OUTPUT
TRANSFORMER
OVER HEAT
39
LCM
COMMUNICATION
LOSS
40
PWR UNIT #n NOT
CALIBRATED
41
SYSTEM
COMMUNICATION
NOK
42
OUTPUT
OVERLOAD
WARNING
43
OUTPUT
OVERLOAD
SHUTDOWN
44
PWR UNIT #n
ABNORMAL
CHANGE
45
OUTPUT
BREAKER OFF
Ultron DPS Series
Possible Cause
1. Fans have abnormalities.
2. Foreign matter is stuck in
the fans.
3. The UPS is overloaded.
1. Fans have abnormalities.
2. Foreign matter is stuck in
the fans.
3. The UPS is overloaded.
1. LCM communication cable
2. LCM communication circuit
is abnormal.
EEPROM is damaged.
System's communication
circuit is abnormal.
The UPS is overloaded.
The UPS is overloaded.
Power unit's control circuit is
abnormal.
The Output Switch (Q4) is
turned off.
11- 6
Solution
Check if fans work abnormally or
foreign matter is blocking a fan. If
yes, contact service personnel. If not,
decrease critical loads.
Check if fans work abnormally or
foreign matter is blocking a fan. If
yes, contact service personnel. If not,
please decrease critical loads.
1. Check if the LCM communication
2. If the LCM communication cable
still exists, the LCM communication
circuit might have abnormalities.
Please contact service personnel.
Contact service personnel.
Contact service personnel.
Decrease critical loads.
Decrease critical loads.
Contact service personnel.
1. Check if the Output Switch (Q4) is
turned off. If yes, turn it on.
2. If the Output Switch (Q4) is turned
on but the alarm still exists, contact
service personnel.
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