Mitsubishi Electric 9800A Series Owner Technical Manual page 66

MITSUBISHI
ELECTRIC
UPS CONTROL CIRCUIT
UF305
ERROR
UPS CONTROL CIRCUIT
UF306
ERROR
INVERTER VOLTAGE
UF309
ABNORMAL
CONTROL POWER
UF352
SUPPLY ABNORMAL
UF402 52S ABNORMAL
UF403 CB3 ABNORMAL
UF451 52S ABNORMAL
UF452 CB3 ABNORMAL
UF453 52L OPERATION ERR.
AC INPUT VOLTAGE OUT
UA801
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 circuit abnormality
52S not turned OFF, or 52S turned
OFF without any command
CB3 not turned OFF
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:
CALL SERVICE
[2]
ENGINEER
CALL SERVICE
[2]
ENGINEER
CALL SERVICE
[2]
ENGINEER
CALL SERVICE
[1]
ENGINEER
CALL SERVICE
[2]
ENGINEER
CALL SERVICE
[2]
(#2) ENGINEER
CALL SERVICE
[1]
ENGINEER
CALL SERVICE
[1]
ENGINEER
CHECK 52L [2]
CHECK INPUT
POWER [1]
SOURCE
WARNING :
DECREASE [1]
LOAD
WARNING :
DECREASE [1]
LOAD
WARNING :
DECREASE [1]
LOAD
WARNING :
DECREASE [1]
LOAD
- [1]
CHECK
[1]
BYPASS INPUT
CHECK
[1]
BYPASS INPUT
CHECK
[1]
BYPASS INPUT
6-4
Major Lit on
Major Lit on
Major Lit on
Minor Flicker
Major Lit on
Major Lit on
Minor Flicker
Minor Flicker
Major Lit on
Alarm -
Alarm -
Alarm -
Alarm -
Alarm -
Alarm
Alarm -
Alarm -
Alarm -