Table of Contents
Advertisement
MITSUBISHI
ELECTRIC
UPS CONTROL CIRCUIT
UF305
ERROR
UPS CONTROL CIRCUIT
UF306
ERROR
INVERTER VOLTAGE
UF309
ABNORMAL
UPS CONTROL
UF315
CIRCUIT ERROR
CONTROL POWER
UF352
SUPPLY ABNORMAL
UF402
52S ABNORMAL
UF403
CB3 ABNORMAL
UF451
52S ABNORMAL
UF452
CB3 ABNORMAL
UF453
52L OPERATION ERR.
AC INPUT VOLTAGE
UA801
OUT OF RANGE
INVERTER OVERLOAD
UA806
> 100%
INVERTER OVERLOAD
UA808
> 125%
INVERTER OVERLOAD
UA809
> 150%
UA810
INVERTER OVERLOAD
UA811
OVERLOAD TRANS.
BYPASS VOLTAGE OUT
UA812
OF RANGE
BYPASS PHASE
UA813
ROTATION ERROR
BYPASS FREQUENCY
UA814
OUT OF RANGE
MITSUBISHI ELECTRIC 9800A SERIES UPS
9800A SERIES UPS
OWNERS / TECHNICAL MANUAL
Control clock abnormality
Control power source circuit
abnormality
Inverter output voltage abnormality
before inverter power supply
Control clock lost
Control circuit abnormality
52S not turned OFF, or 52S turned
OFF without any command
CB3 not turned OFF
(#2)
52S not turned ON, or 52S turned
ON without any command when
manual transfer
CB3 open
52L operated abnormality
AC input voltage fell out of +/- 15%
range
Overload exceeded 105% (Note 7)
Overload exceeded 125% (Note 7)
Overload exceeded 150% (Note 7)
Momentary over-current during
Inverter power.
Overload transfer
Bypass voltage fell out of +/- 20%
range
Phase rotation is inverted when
bypass voltage is normal
Bypass frequency fell out of
inverter synchronization follow-up
range
Page Number:
6-4
CALL SERVICE
[2]
Major
ENGINEER
CALL SERVICE
[2]
Major
ENGINEER
CALL SERVICE
[2]
Major
ENGINEER
CALL SERVICE
[2]
Major
ENGINEER
CALL SERVICE
[1]
Minor
ENGINEER
CALL SERVICE
[2]
Major
ENGINEER
CALL SERVICE
[2]
Major
ENGINEER
CALL SERVICE
[1]
Minor
ENGINEER
CALL SERVICE
[1]
Minor
ENGINEER
CHECK 52L
[2]
Major
CHECK INPUT
[1]
Alarm
POWER
SOURCE
WARNING :
DECREASE
[1]
Alarm
LOAD
WARNING :
DECREASE
[1]
Alarm
LOAD
WARNING :
DECREASE
[1]
Alarm
LOAD
WARNING :
DECREASE
[1]
Alarm
LOAD
-
[1]
Alarm
CHECK
[1]
Alarm
BYPASS INPUT
CHECK
[1]
Alarm
BYPASS INPUT
CHECK
[1]
Alarm
BYPASS INPUT
Lit on
Lit on
Lit on
Lit on
Flicker
Lit on
Lit on
Flicker
Flicker
Lit on
-
-
-
-
-
-
-
-
Hide quick links:
Advertisement
Table of Contents
