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MITSUBISHI
ELECTRIC
2033D SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6
-2
MITSUBISHI ELECTRIC 2033D SERIES UPS
Failure
Code List
Table 6.1 Fault Code
(Note 9)
Code
indication
Status message
Contents
Guidance
(Note 1)
Buzzer
(Note 2)
External
send-out
contact
(Note 3)
Failure
lamp
UF003
CONVERTER
ABNORMAL
Preliminary charge impossible
CALL SERVICE
ENGINEER
[1] Major Lit on
UF006
CONVERTER
ABNORMAL
Mixed operation (2 minutes)
CALL SERVICE
ENGINEER
[1] Major Lit on
UF055
CONVERTER
ABNORMAL
Mixed operation (1 minute)
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF056
CONVERTER
OVERCURRENT
IROC (C.F. 2.5) occurred 4 times in
one minute
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF102 DC OVERVOLTAGE Over voltage of DC voltage
CALL SERVICE
ENGINEER
[1] Major Lit on
UF103 DC UNDERVOLTAGE Low voltage of DC voltage
CALL SERVICE
ENGINEER
[1] Major Lit on
UF108
CHOPPER
OVERCURRENT
Chopper output overcurrent
CALL SERVICE
ENGINEER
[1] Major Lit on
UF151
DC VOLTAGE
ABNORMAL
Continuous +/-2% deviation of float
voltage under charging mode for 36 hrs
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF152
DC VOLTAGE
ABNORMAL
Does not return to equalizing voltage
after power supply is resumed
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF156
72B TRIPPED
(BATTERY OVERTEMP.)
Battery temperature abnormality
(UF157) lasted a long time (Note 5)
CHECK
BATTERY
[2] Minor Flicker
UF157
BATTERY
OVERTEMPERATURE
Battery temperature abnormality
CHECK
BATTERY
[2]
Minor
(Note 4)
Flicker
UF161
72B TRIPPED
(DC VOLT. ABNORMAL)
Continuous condition of UF151 for
more than 12 hrs.
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF162 BATTERY ABNORMAL
Battery abnormal detected by battery
self test.
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF163
BATTERY VOLTAGE
ABNORMAL
Battery voltage abnormality
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF201
INVERTER
OVERVOLTAGE
Output overvoltage during inverter
power supply (+ 15%)
CALL SERVICE
ENGINEER
[1] Major Lit on
UF202
INVERTER
UNDERVOLTAGE
Output low voltage during inverter
supply (-15%)
CALL SERVICE
ENGINEER
[1] Major Lit on
UF203
INVERTER
OVERCURRENT
Inverter output overcurrent
CALL SERVICE
ENGINEER
[1] Major Lit on
UF209 52C ABNORMAL 52C not turned ON
CALL SERVICE
ENGINEER
[1] Major Lit on
UF210 52C ABNORMAL 52C not turned OFF
CALL SERVICE
ENGINEER
[1] Major Lit on