MITSUBISHI
ELECTRIC
20033C SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6-3
Note 1
Note 2
Note 3
LCD Failure Code
Status
Guidance
Buzzer
External send-
out contact
Failure LED
53
Transfer circuit abnormal
Call service engineer
[1]
Minor
Flicker
54
Control circuit error
Call service engineer
[2]
Major
Lit up
55
Control circuit error
Call service engineer
[2]
Major
Lit up
56
Control circuit error
Call service engineer
[2]
Major
Lit up
57
Control circuit error
Call service engineer
[2]
Major
Lit up
58
Control circuit error
Call service engineer
[1]
Minor
Flicker
59
Control circuit error
Call service engineer
[2]
Major
Lit up
71
Overload
Reduce load
[1]
Alarm
Flicker
72
kW overload
Reduce load
[1]
Alarm
Flicker
73
Instantaneous overload
Reduce load
[1]
Alarm
Flicker
74
Load abnormal
Check load
[1]
Alarm
Flicker
76
Overload
Reduce load
[1]
Alarm
Flicker
81
Emergency stop activated
-
[1]
Alarm
Flicker
82
Fin temperature abnormal
Call service engineer
[2]
Major
Lit up
96
Control circuit error
Call service engineer
[2]
Major
Lit up
97
Restart after battery depleted
-
-
Alarm
-
98
Control circuit error
Call service engineer
[2]
Major
Lit up
99
Start up
Press Clear button
-
Alarm
-
MITSUBISHI ELECTRIC 2033C SERIES UPS