Table of Contents
Advertisement
MITSUBISHI
ELECTRIC
Code
Status
indication
message
(Note 3)
UPS CONTROL
UF305
CIRCUIT ERROR
UPS CONTROL
UF306
CIRCUIT ERROR
INVERTER
UF309
VOLTAGE
ABNORMAL
CONTROL POWER
UF310
SUPPLY
ABNORMAL
UPS CONTROL
UF320
CIRCUIT ERROR
UPS CONTROL
UF323
CIRCUIT ERROR
UPS
CONTROL
UF331
CIRCUIT ERROR
UPS
CONTROL
UF332
CIRCUIT ERROR
UPS
CONTROL
UF333
CIRCUIT ERROR
UPS
CONTROL
UF334
CIRCUIT ERROR
CONTROL POWER
UF352
SUPPLY
ABNORMAL
UPS CONTROL
UF363
CIRCUIT ERROR
UPS CONTROL
UF371
CIRCUIT ERROR
UPS CONTROL
UF372
CIRCUIT ERROR
UPS CONTROL
UF374
CIRCUIT ERROR
UPS CONTROL
UF375
CIRCUIT ERROR
UPS CONTROL
UF376
CIRCUIT ERROR
UPS CONTROL
UF377
CIRCUIT ERROR
UPS CONTROL
UF378
CIRCUIT ERROR
UPS CONTROL
UF379
CIRCUIT ERROR
STS CONTROL
UF381
CIRCUIT ERROR
M9950 SERIES UPS
OWNERS / TECHNICAL MANUAL
Meaning
Detection of an abnormal clock
speed in the DSP or FPGA.
Control power supply voltage are
below the specified level.
Inverter voltage is out of the
specified range.
Backup control power supplies
exhibit abnormal condition.
Cable disconnection in the
parallel interface board during
load supply.
Major communication error during
parallel operation.
Gate driver abnormal for phase U
(Note 4)
Gate driver abnormal for phase V
(Note 4)
Gate driver abnormal for phase W
(Note 4)
Gate driver abnormal for chopper
(Note 4)
Backup control power supplies
exhibit abnormal condition.
Synchronization status signal is
being received for a considerable
time.
Minor communication error during
parallel operation.
Unable to synchronize the
inverter output and the bypass
voltage.
Cable disconnection in the
parallel interface board.
Unable to achieve
synchronization for parallel
operation.
No control response from another
UPS although its detection is
possible.
Overload detection signal is being
received continuously for a
considerable time.
No answer for sending
synchronizing signal.
Abnormal clock speed of the
parallel control board processor.
STS current value abnormal.
MITSUBISHI ELECTRIC M9950 SERIES UPS
Page Number:
Guidance
Buzzer
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Continuous
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittents
SERVICE
ound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
CALL
Intermittent
SERVICE
sound
ENGINEER
6-6
External
Failure
relay
Lamp
contact
(Note
(Note 1)
2)
Major
Lit on
Major
Lit on
Major
Lit on
Major
Lit on
Major
Lit on
Major
Lit on
Major
Lit on
Major
Lit on
Major
Lit on
Major
Lit on
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Minor
Flicker
Advertisement
Table of Contents
