Mitsubishi electric – MITSUBISHI ELECTRIC 9800A SERIES UPS User Manual
Page 64
MITSUBISHI
ELECTRIC
9800A SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6-3
MITSUBISHI ELECTRIC 9800A SERIES UPS
UF166 IGBT FAULT (A)
IGBT module (A) overcurrent
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF167 IGBT FAULT (B)
IGBT module (B) overcurrent
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF168 IGBT FAULT (C)
IGBT module (C) overcurrent
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF201
INVERTER
OVERVOLTAGE
Output overvoltage during inverter
power supply (+ 15%)
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF202
INVERTER
UNDERVOLTAGE
Output low voltage during inverter
supply (-15%)
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF203
INVERTER
OVERCURRENT
Inverter output overcurrent
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UP204
OUTPUT CIRCUIT
ABNORMAL
Cross current fell out of 30%
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF209 52C ABNORMAL
52C not turned ON
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF210 52C ABNORMAL
52C not turned OFF
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF213
INV. OR CONV.
OVERTEMPERATURE
Overheating of main circuit parts
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF214
COOLING FAN
ABNORMAL
Abnormality of cooling fan inside
panel
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF255 52C
ABNORMAL
52C turned OFF during inverter
power supply
CALL SERVICE
ENGINEER
[1] Minor
Flicker
UF256
OUTPUT VOLTAGE
ABNORMAL
Inverter output voltage fell out of
+/- 5%
CALL SERVICE
ENGINEER
[1] Minor
Flicker
UF257 52C
ABNORMAL
52C not turned OFF when manual
transfer
CALL SERVICE
ENGINEER
[1] Minor
Flicker
UF258 LOAD
ABNORMAL
More than 4 overcurrents for 10
minutes
CHECK LOAD
[1]
Minor
Flicker
UF259
Output voltage bus
abnormal
Inverter output voltage bus
abnormality
CALL SERVICE
ENGINEER
[1] Minor
Flicker
UF260 LOAD
SHORT
After UA810 occurred, Bypass
Abnormal occurred within 1
second. (#1)
CHECK LOAD
[1]
Minor
Flicker
UF301
UPS CONTROL CIRCUIT
ERROR
Control microcomputer
abnormality
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF302
UPS CONTROL CIRCUIT
ERROR
Control microcomputer
abnormality
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF303
UPS CONTROL CIRCUIT
ERROR
Control microcomputer
abnormality
CALL SERVICE
ENGINEER
[2] Major
Lit
on
UF304
UPS CONTROL CIRCUIT
ERROR
Parallel control circuit abnormality
CALL SERVICE
ENGINEER
[2] Major
Lit
on