MITSUBISHI ELECTRIC 9800A SERIES UPS
MITSUBISHI
ELECTRIC
9800A SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6-3
UF166
GATE FAULT (A-UNIT)
IGBT module (A-Unit ) damaged
CALL SERVICE
ENGINEER
[2]
Major
Lit on
UF167
GATE FAULT (B-UNIT)
IGBT module (B-Unit ) damaged
CALL SERVICE
ENGINEER
[2]
Major
Lit on
UF168
GATE FAULT (C-UNIT)
IGBT module (B-Unit ) damaged
CALL SERVICE
ENGINEER
[2]
Major
Lit on
UF170
VDB SENSOR
ABNORMAL
Battery voltage
sensor abnormarity
CALL SERVICE
ENGINEER
[1]
Minor
Flicker
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