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MITSUBISHI
ELECTRIC
2033D SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6
-
3
MITSUBISHI ELECTRIC 2033D SERIES UPS
(Note 9)
Code
indication
Status message
Contents
Guidance
(Note 1)
Buzzer
(Note 2)
External
send-out
contact
(Note 3)
Failure
lamp
UF213
INV. OR CONV.
OVERTEMPERATURE
Overheating of main circuit parts
CALL SERVICE
ENGINEER
[1] Major Lit on
UF214
COOLING FAN
ABNORMAL
Abnormality of cooling fan inside panel
CALL SERVICE
ENGINEER
[1] Major Lit on
UF255 52C ABNORMAL
52C turned OFF during inverter power
supply
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF256
OUTPUT VOLTAGE
ABNORMAL
Inverter output voltage fell out of +/- 5%
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF258 LOAD ABNORMAL
More than 4 overcurrent transfers in 5
minutes
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF259
ANOTHER UPS
ABNORMAL
Inverter output voltage bus
abnormality
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF301
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[1] Major Lit on
UF302
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[1] Major Lit on
UF303
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[1] Major Lit on
UF305
UPS CONTROL CIRCUIT
ERROR
Control clock abnormality
CALL SERVICE
ENGINEER
[1] Major Lit on
UF306
UPS CONTROL CIRCUIT
ERROR
Control power source circuit
abnormality
CALL SERVICE
ENGINEER
[1] Major Lit on
UF309
INVERTER VOLTAGE
ABNORMAL
Inverter output voltage abnormality
before inverter power supply
CALL SERVICE
ENGINEER
[1] Major Lit on
UF310
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[1] Major Lit on
UF349
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[1] Major Lit on
UF371
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF372
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF373
UPS CONTROL CIRCUIT
ERROR
Control microcomputer abnormality
CALL SERVICE
ENGINEER
[2] Minor Flicker
UF453 52L OPERATION ERROR 52L operated abnormally CHECK 52L [2] Minor Flicker
UA801
AC INPUT VOLTAGE OUT
OF RANGE
AC input voltage deviates from +17%
to –32% range
CHECK INPUT
POWER
SOURCE
[2] Alarm -
UA803
INPUT PHASE
ROTATION ERROR
Input phase abnormal
CHECK INPUT
POWER
SOURCE
[2] Alarm -