Mitsubishi Electric 9900CX SERIES User Manual

MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6-2
BYPASS MODULE FAULT CODES
Table 6.1 Bypass Module Fault Code List
Code
indication
(Note 2)
Status
Message
Meaning Guidance
Audible
Alarm
External
relay
contact
(Note 1)
UA805 OVERLOAD
The output load current has
exceeded 100% of the rated
current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
UA806
INVERTER
OVERLOAD
The output load current peak has
exceeded 220% of the rated
current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
UA807
INVERTER
OVERLOAD
The output load current has
exceeded 105% of the rated
current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
UA808 OVERLOAD
The output load current has
exceeded 100% of the rated
current during bypass supply.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
UA810 OVERLOAD
Short time over-current has
exceeded 150% of the rated
current.
WARNING:
DECREASE
LOAD
Intermittent
sound
Overload
UA812
BYPS.VOLT.OUT
RNG.
Bypass line voltage is out of the
specific range.
CHECK
BYPASS
INPUT
Intermittent
sound
Bypass
Input
Abnormal
UA813 BYPS.PHASE ABNL.
Bypass line power conductors
are not wired in a proper phase
sequence.
CHECK
BYPASS
INPUT
Intermittent
sound
Bypass
Input
Abnormal
UA814
BYPS.FREQ.OUT
RNG.
Bypass line frequency is out of
the specific range.
CHECK
BYPASS
INPUT
Intermittent
sound
Bypass
Input
Abnormal
UA815
TRANSFER
PROHIBITION
Transfer to bypass is not
available due to bypass
abnormality.
-
Intermittent
sound
-
UA817 EMERG.STOP ACTIV.
The emergency stop was
activated by the EPO switch or
an external contact.
-
Continuous
sound
-
UA821
REM. BUTTON
CLOSE
Remote start signal is being
received continuously for a
considerable time.
-
Intermittent
sound
-
UA822 LOC. BUTTON ABNL.
Local start or stop signal is being
received continuously for a
considerable time.
CALL
SERVICE
ENGINEER
Intermittent
sound
-
UA824 CB2 OPEN
The battery disconnect contactor
CB2 in power converter module
is opened.
CB2 OPEN
Intermittent
sound
-
UA831 EMERG.BYPS.SW.ON
Emergency bypass switch has
been turned on.
CALL
SERVICE
ENGINEER
Intermittent
sound
-
UA833 52L OPEN
The load circuit breaker(52L) is
turned off.
-
Intermittent
sound
-
UA834 BATTERY DEPLETED
The battery voltage has reached
the depleted level.
CALL
SERVICE
ENGINEER
-
End-of-
Discharge
UA835 TRANS.INHIBITED
The UPS could not transfer to the
bypass because the bypass
source has an abnormality.
- - -
UA861 MODULE ALARM
A power converter module has
detected an alarm condition.
CALL
SERVICE
ENGINEER
Intermittent
sound
-
UA862
MODULE MINOR
FAULT
A power converter module has
detected a minor fault condition.
CALL
SERVICE
ENGINEER
Intermittent
sound
Minor
UA863 MOD.IN.VOLT.
A power converter module has
detected input voltage abnormal.
CHECK
INPUT
POWER
SOURCE
Intermittent
sound
-
UA864 MODULE OVERLOAD
A power converter module has
detected output overload.
WARNING :
DECREASE
LOAD
Intermittent
sound
Overload

Mitsubishi Electric 9900CX SERIES Specifications

General

Brand	Mitsubishi Electric
Model	9900CX SERIES
Category	Power Supply
Language	English