Table 6.1 Fault Code - Mitsubishi Electric 9800A Owner Technical Manual

MITSUBISHI
ELECTRIC
Failure Code List
Note 9
Code
Status message
indication
CONVERTER
UF003
ABNORMAL
CONVERTER
UF006
ABNORMAL
CONVERTER
UF055
ABNORMAL
INPUT CIRCUIT
UF059
ABNORMAL
UF102 DC OVERVOLTAGE
UF103 DC UNDERVOLTAGE
CHOPPER
UF108
OVERCURRENT
DC VOLTAGE
UF109
UNBALANCED
DC VOLTAGE
UF151
ABNORMAL
DC VOLTAGE
UF152
ABNORMAL
UF153 CB2 ABNORMAL
CB2 TRIPPED(BATTERY
UF156
OVERTEMP.)
BATTERY
UF157
OVERTEMPERATURE
CB2 TRIPPED(DC VOLT.
UF161
ABNORMAL)
UF162 BATTERY ABNORMAL
BATTERY VOLTAGE
UF163
ABNORMAL
GATE FAULT
UF165
(CHOPPER)
9800A SERIES UPS
OWNERS / TECHNICAL MANUAL

Table 6.1 Fault Code

Contents
Preliminary charge impossible
Mixed operation (60 minutes)
Mixed operation (1 minute)
Input circuit abnormality
Over voltage of DC voltage
Low voltage of DC voltage
Chopper output overcurrent
DC voltage unbalanced
between positive and negative
Does not return to float voltage
after power supply is resumed
(24 hours)
Does not return to equalizing
voltage after power supply is
resumed
Battery disconnect circuit breaker
CB2 has tripped.
Battery temperature abnormality
(UF157) lasted a long time
(Note 5)
Battery temperature abnormality
Does not return to float voltage
after power supply is resumed
(48 hours) (Note 5)
Battery abnormal detected by
battery self test.
Battery voltage abnormality
IGBT module (Chopper)
damaged
MITSUBISHI ELECTRIC 9800A SERIES UPS
Page Number:
6-2
Note 1 Note 2 Note 3
External
Guidance Buzzer send-out
contact
CALL SERVICE
[2] Major
ENGINEER
CALL SERVICE
[2] Major
ENGINEER
CALL SERVICE
[1] Minor
ENGINEER
CALL SERVICE
[1] Minor
ENGINEER
CALL SERVICE
[2] Major
ENGINEER
CALL SERVICE
[2] Major
ENGINEER
CALL SERVICE
[2] Major
ENGINEER
CALL SERVICE
[2] Major
ENGINEER
CALL SERVICE
[1] Minor
ENGINEER
CALL SERVICE
[1] Minor
ENGINEER
CALL SERVICE
[1] Minor
ENGINEER
CHECK
[1] Minor
BATTERY
CHECK Minor
[1]
BATTERY Note 4
CALL SERVICE
[1] Minor
ENGINEER
CALL SERVICE
[1] Minor
ENGINEER
CALL SERVICE
[1] Minor
ENGINEER
CALL SERVICE
[2] Major
ENGINEER
Failure
lamp
Lit on
Lit on
Flicker
Flicker
Lit on
Lit on
Lit on
Lit on
Flicker
Flicker
Flicker
Flicker
Flicker
Flicker
Flicker
Flicker
Lit on