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UF166
GATE FAULT (A-UNIT)
UF167
GATE FAULT (B-UNIT)
UF168
GATE FAULT (C-UNIT)
VDB SENSOR
UF170
ABNORMAL
INVERTER
UF201
OVERVOLTAGE
INVERTER
UF202
UNDERVOLTAGE
INVERTER
UF203
OVERCURRENT
OUTPUT CIRCUIT
UP204
ABNORMAL
UF209
52C ABNORMAL
UF210
52C ABNORMAL
INV. OR CONV.
UF213
OVERTEMPERATURE
COOLING FAN
UF214
ABNORMAL
UF255
52C ABNORMAL
OUTPUT VOLTAGE
UF256
ABNORMAL
UF257
52C ABNORMAL
UF258
LOAD ABNORMAL
ANOTHER UPS
UF259
ABNORMAL
UF260
LOAD SHORT
UPS CONTROL CIRCUIT
UF301
ERROR
UPS CONTROL CIRCUIT
UF302
ERROR
UPS CONTROL CIRCUIT
UF303
ERROR
UPS CONTROL CIRCUIT
UF304
ERROR
64
IGBT module (A-Unit ) damaged
IGBT module (B-Unit ) damaged
IGBT module (B-Unit ) damaged
Battery voltage
sensor abnormality
Output overvoltage during inverter
power supply (+ 15%)
Output low voltage during inverter
supply (-15%)
Inverter output overcurrent
Cross current fell out of 30%
52C not turned ON
52C not turned OFF
Overheating of main circuit parts
Abnormality of cooling fan inside
panel
52C turned OFF during inverter
power supply
Inverter output voltage fell out of
+/- 5%
52C not turned OFF when manual
transfer
Transfer by overcurrent occured
more than 4 times in 5 min.
Inverter output voltage bus
abnormality
After UA810 occurred, Bypass
Abnormal occurred within 1
second.
(#1)
Control microcomputer
Abnormality.
Control microcomputer
Abnormality.
Control microcomputer
Abnormality.
Parallel control circuit abnormality
(only for MMS)
G8000MM
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