Mitsubishi Electric 1100A Series Owner Technical Manual page 57

Table 6.1 Bypass Module Fault Code List
Code
Status
indication
Message
(Note 2)
UPS CONTROL
UF323
CIRCUIT ERROR
MODULE MINOR
UF340
FAULT
MODULE1 MAJOR
UF341
FAULT
MODULE2 MAJOR
UF342
FAULT
MODULE3 MAJOR
UF343
FAULT
MODULE4 MAJOR
UF344
FAULT
MODULE5 MAJOR
UF345
FAULT
MODULE MAJOR
UF349
FAULT
CONTROL POWER
UF351 SUPPLY
ABNORMAL
CONTROL POWER
UF352 SUPPLY
ABNORMAL
EXTERNAL I/F PCB
UF353
ABNORMAL
UPS CONTROL
UF372
CIRCUIT ERROR
UPS CONTROL
UF376
CIRCUIT ERROR
UPS CONTROL
UF377
CIRCUIT ERROR
UF401 52S ABNORMAL
UF402 52S ABNORMAL
UF452 CB3 ABNORMAL
1100A SERIES UPS
OWNERS / TECHNICAL MANUAL
Meaning
Major communication error during
parallel operation.
A power converter module has
detected major fault condition.
Power converter module #1 has
detected major fault condition.
Power converter module #2 has
detected major fault condition.
Power converter module #3 has
detected major fault condition.
Power converter module #4 has
detected major fault condition.
Power converter module #5 has
detected major fault condition.
All Power converter modules have
detected major fault condition.
Control power supply voltage is
below the specified level. (Bypass)
Control power supply voltage is
below the specified level. (Output)
External IO control power supply
voltage is below the specified level.
Unable to synchronize the inverter
output and the bypass voltage.
Logic signal abnormal (Supply ON).
Logic signal abnormal (Supply
OFF).
Error to close the contactor 52S.
Error to open the contactor 52S.
Contactor CB3 is not working
properly.
MITSUBISHI ELECTRIC 1100 SERIES UPS
Page Number:
Audible
Guidance
Alarm
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
6-4
External
relay
contact
(Note 1)
Minor
Minor
Minor
Minor
Minor
Minor
Minor
Major
Minor
Minor
Minor
Minor
Minor
Minor
Major
Major
Minor