MITSUBISHI
ELECTRIC
7011A SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6-2
TABLE 6.1 Failure Code List
Note 1
Note 2
Note 3
Note 4
Failure
Code
Status
Guidance
Level
Failure
LED
Buzzer
Event
Log
003
Pre-charge abnormal
Call service engineer
Major
Lit On
061
Converter1 control abnormal
Call service engineer
Minor
Flicker
062
Converter2 control abnormal
Call service engineer
Minor
Flicker
063
Converter3 control abnormal
Call service engineer
Minor
Flicker
064
Converter4 control abnormal
Call service engineer
Minor
Flicker
102
DC overvoltage
Call service engineer
Major
Lit On
103
DC undervoltage
Call service engineer
Major
Lit On
109
DC voltage balance abnormal
Call service engineer
Major
Lit On
151
Float voltage abnormal
Call service engineer
Minor
Flicker
156
Battery temperture abnormal CB2OFF
Call service engineer
Minor
Flicker
157
Battery temperture abnormal
Check battery
Minor
Flicker
161
Float voltage abnormal (CB2 OFF)
Check battery
Minor
Flicker
162
Battery circuit abnormal
-
Flicker
201
Output overvoltage
Call service engineer
Major
Lit On
202
Output undervoltage
Call service engineer
Major
Lit On
218
Inverter voltage DC component increase
Call service engineer
Major
Lit On
219
Converter abnormal
Call service engineer
Major
Lit On
261
Inverter1 control abnormal
Call service engineer
Minor
Flicker
262
Inverter2 control abnormal
Call service engineer
Minor
Flicker
263
Inverter3 control abnormal
Call service engineer
Minor
Flicker
264
Inverter4 control abnormal
Call service engineer
Minor
Flicker
271
Inverter1 overcurrent
Call service engineer
Minor
Flicker
272
Inverter2 overcurrent
Call service engineer
Minor
Flicker
273
Inverter3 overcurrent
Call service engineer
Minor
Flicker
274
Inverter4 overcurrent
Call service engineer
Minor
Flicker
281
Unit1 Heat sink temperature abnormal
Call service engineer
Minor
Flicker
282
Unit2 Heat sink temperature abnormal
Call service engineer
Minor
Flicker
283
Unit3 Heat sink temperature abnormal
Call service engineer
Minor
Flicker
284
Unit4 Heat sink temperature abnormal
Call service engineer
Minor
Flicker
302
CPU abnormal
Call service engineer
Major
Lit On
310
Control circuit abnormal
Call service engineer
Major
Lit On
403
Recurrent Automatic Transfer
Reduce load
Major
Lit On
MITSUBISHI ELECTRIC 7011A SERIES UPS