9700UL Series Owners Manual

9700UL Series Owners Manual
Page Number:
6-2
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
MITSUBISHI
ELECTRIC
Table 6.1 Fault Code List
Code
indication
(Note 3)
Status
message
UA801
AC INPUT
VOLTAGE OUT
OF RANGE
UA802
UA803
UA804
AC INPUT
FREQUENCY
OUT OF
RANGE
AC INPUT
PHASE
ROTATION
ERROR
CONVERTER
OPE.
PROHIBITION
UA805
INVERTER
OVERLOAD
UA806
INVERTER
OVERLOAD
UA807
INVERTER
OVERLOAD
UA808
INVERTER
OVERLOAD
UA810
INVERTER
OVERLOAD
UA812
BYPASS
VOLTAGE OUT
OF RANGE
UA813
UA814
BYPASS
PHASE
ROTATION
ERROR
BYPASS
FREQUENCY
OUT OF
RANGE
UA815
TRANSFER
PROHIBITION
UA817
EMERGENCY
STOP
ACTIVATED
UA821
TRANSFER
PROHIBITION
Meaning
Input line voltage is out of the
specific range.
Input line frequency is out of
the specified range.
Input line power conductors
are not wired in a proper
phase sequence.
The converter interlock is
active.
The output load current has
exceeded 105% of the rated
current.
The output load current has
exceeded 110% of the rated
current.
The output load current has
exceeded 125% of the rated
current.
The output load current has
exceeded 150% of the rated
current.
Short time over-current has
exceeded 150% of the rated
current
Bypass line voltage is out of
the specific range.
Bypass line power conductors
are not wired in a proper
phase sequence.
Bypass line frequency is out of
the specific range.
Transfer to bypass is not
available due to bypass
abnormality.
The emergency stop was
activated by the EPO switch or
an external contact.
The UPS cannot transfer to
the bypass because the
inverter output is not
synchronized to the bypass.
Guidance
CHECK
INPUT
POWER
SOURCE
CHECK
INPUT
POWER
SOURCE
CHECK
INPUT
POWER
SOURCE
WARNING:
DECREASE
LOAD
WARNING:
DECREASE
LOAD
WARNING:
DECREASE
LOAD
WARNING:
DECREASE
LOAD
WARNING:
DECREASE
LOAD
CHECK
BYPASS
INPUT
Buzzer
External
relay contact
(Note 1)
Failure
lamp
(Note 2)
Intermittent
sound
Alarm
AC input
abnormal
-
Intermittent
sound
Alarm
AC input
abnormal
-
Intermittent
sound
Alarm
AC input
abnormal
-
Intermittent
sound
Alarm
-
Intermittent
sound
Alarm
Overload
-
Intermittent
sound
Alarm
Overload
-
Intermittent
sound
Alarm
Overload
-
Intermittent
sound
Alarm
Overload
-
Intermittent
sound
Alarm
Overload
-
Intermittent
sound
CHECK
BYPASS
INPUT
Intermittent
sound
CHECK
BYPASS
INPUT
Intermittent
sound
Alarm
Bypass
Input
Abnormal
Alarm
Bypass
Input
Abnormal
Alarm
Bypass
Input
Abnormal
-
-
-
-
Intermittent
sound
Alarm
-
-
-
Alarm
-
-
-
Alarm
-
MITSUBISHI ELECTRIC 9900B SERIES UPS
MITSUBISHI
ELECTRIC
Page Number:
6-3
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
Table 6.1 (continuation)
Code
indication
(Note 3)
Status
message
Meaning
The UPS cannot transfer to
the bypass because of
backup generator operation.
The battery circuit breaker
(CB2) is open.
The interlock for the inverter
output contactor (52C) is
active.
Guidance
Buzzer
External
relay contact
(Note 1)
Failure
lamp
(Note 2)
-
-
Alarm
-
Intermittent
sound
Alarm
-
-
Intermittent
sound
Alarm
-
UA822
TRANSFER
PROHIBITION
UA824
CB2 OPEN
UA827
52C OPE.
PROHIBITION
UA831
EMERGENCY
BYPASS SWITCH
ON
Emergency bypass switch
has been turned on.
-
Intermittent
sound
Alarm
-
UA833
52L OPEN
The load circuit breaker
(52L) is turned off.
-
Intermittent
sound
Alarm
-
UA834
BATTERY
DEPLETED/AC
OUT STOPPED
The battery voltage has
reached the depleted level.
-
-
Major
End-ofDischarge
Lit on
UA835
TRANSFER
PROHIBITION
-
-
Alarm
-
UA860
REMOTE
BUTTON
ABNORMAL
-
Intermittent
sound
Alarm
-
UA861
LOCAL BUTTON
ABNORMAL
-
Intermittent
sound
Alarm
-
Alarm
Overload
-
Alarm
-
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Continuous
sound
Major
Lit on
BALANCER
OVERLOAD
EXTERNAL
ALARM
The UPS could not transfer
to the bypass because the
bypass source has an
abnormality.
Remote start or stop signal
is being received
continuously for a
considerable time.
Local start or stop signal is
being received continuously
for a considerable time.
The UPS detected a neutral
point voltage unbalance.
External Alarm relay turned
on.
UF001
INPUT CIRCUIT
ABNORMAL
Detection of a large variation
of the reference error signal.
UF002
CONVERTER
OVERCURRENT
Detection of converter
overcurrent.
UF003
CONVERTER
ABNORMAL
Pre-charging circuit is not
working properly.
UF011
CB1 ABNORMAL
UF052
CB1 ABNORMAL
UF056
CONVERTER
OVERCURRENT
Detection of converter
overcurrent.
UF059
INPUT CIRCUIT
ABNORMAL
Detection of a large variation
of the reference error signal.
UF102
DC
OVERVOLTAGE
DC voltage surpasses the
overvoltage level.
UA870
UA890
Major discrepancy between
reference signal and actual
state of contactor CB1.
Minor discrepancy between
reference signal and actual
state of contactor CB1.
TURN ON
CB2
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
Intermittent
sound
Intermittent
sound
MITSUBISHI ELECTRIC 9900B SERIES UPS
MITSUBISHI
ELECTRIC
Page Number:
6-4
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
Table 6.1 (continuation)
Code
indication
(Note 3)
Status
message
UF103
DC
UNDERVOLTAGE
DC voltage dropped below
the undervoltage level.
UF108
CHOPPER
OVERCURRENT
Detection of DC overcurrent.
UF109
DC
UNBALANCED
Major unbalance of the
neutral point voltage.
UF110
ZERO PHASE
OVERCURRENT
Detection of converter
zero-sequence overcurrent.
UF111
UPS CONTROL
CIRCUIT ERROR
Battery current unbalance.
UF112
DC CIRCUIT
ABNORMAL
Sudden change of the DC
voltage level.
UF119
DC GROUND
FAULT
Detection of DC ground
fault.
UF128
CONTROL
POWER SUPPLY
ABNORMAL
UF151
DC VOLTAGE
ABNORMAL
UF152
DC VOLTAGE
ABNORMAL
Power supply voltage to
IGBT driver PCB is below
the specified level.
24 hours after input power
restoration, batteries do not
reach float voltage level.
Unable to equalize the
voltage of various batteries
after 24 hours.
UF154
CB2 ABNORMAL
UF156
UF157
CHG.STOPPED
(BATTERY
OVERTEMP.)
BATTERY
OVERTEMPERA
TURE
Meaning
Guidance
Buzzer
External
relay contact
(Note 1)
Failure
lamp
(Note 2)
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
Continuous
sound
Major
Lit on
Continuouss
ound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
UF157 failure persisted for
over 2 hours.
CHECK
BATTERY
Intermittent
sound
Detection of
overtemperature at the
batteries.
CHECK
BATTERY
Intermittent
sound
CHECK
BATTERY
Intermittent
sound
During UVT, status signal
from CB2 is ON.
UF158
BATTERY LIQUID
LOW
Low level of battery
electrolyte solution.
UF159
DC GROUND
FAULT
Detection of DC ground
fault.
UF160
UPS CONTROL
CIRCUIT ERROR
Abnormal behavior of DC
current sensor.
UF161
CHG.STOPPED
(DC VOLT.
ABNORMAL)
UF151 failure is running for
over 24 hours.
UF162
BATTERY
ABNORMAL
Failure detection based on
battery self-check.
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
Minor
Battery
abnormal
Minor
Battery
abnormal
Minor
Battery
abnormal
Flicker
Flicker
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
MITSUBISHI ELECTRIC 9900B SERIES UPS
MITSUBISHI
ELECTRIC
Page Number:
6-5
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
Table 6.1 (continuation)
Code
indication
(Note 3)
Status
message
Meaning
Guidance
Buzzer
External
relay contact
(Note 1)
Failure
lamp
(Note 2)
BATTERY
VOLTAGE
ABNORMAL
Battery voltage is
abnormality.
CALL
SERVICE
ENGINEER
Intermittent
sound
Minor
Flicker
UF170
VDB SENSOR
ABNORMAL
Detection of a large variation
of the difference between
control-only and
protection-only battery
voltage.
CALL
SERVICE
ENGINEER
Intermittent
sound
Minor
Flicker
UF171
UPS CONTROL
CIRCUIT ERROR
Battery current unbalance.
Intermittent
sound
Minor
Flicker
UF201
INVERTER
OVERVOLTAGE
Detection of output
overvoltage.
Continuous
sound
Major
Lit on
UF202
INVERTER
UNDERVOLTAGE
Output voltage dropped.
Continuous
sound
Major
Lit on
UF203
INVERTER
OVERCURRENT
Detection of inverter
overcurrent.
Continuous
sound
Major
Lit on
UF204
OUTPUT
CIRCUIT
ABNORMAL
Continuous
sound
Major
Lit on
UF206
UPS CONTROL
CIRCUIT ERROR
Continuous
sound
Major
Lit on
UF207
ZERO PHASE
OVERCURRENT
Inverter zero-sequence
overcurrent.
Continuous
sound
Major
Lit on
UF208
UPS CONTROL
CIRCUIT ERROR
Cross current is abnormality.
Continuous
sound
Major
Lit on
UF209
52C ABNORMAL
Error to close the contactor
52C.
Continuous
sound
Major
Lit on
UF210
52C ABNORMAL
Error to open the contactor
52C.
Continuous
sound
Major
Lit on
UF211
52C ABNORMAL
No answer from contactor
52C during inverter
operation.
Continuous
sound
Major
Lit on
UF213
OVERTEMPERAT
URE
Heatsink’s temperature
exceeds thermal settings.
Continuous
sound
Major
Lit on
UF214
COOLING FAN
ABNORMAL
Thermal relay activated
protection.
Continuous
sound
Major
Lit on
UF217
INVERTER
OVERVOLTAGE
Detection of inverter output
phase overvoltage.
Continuous
sound
Major
Lit on
UF230
ZERO PHASE
OVERCURRENT
Detection of zero-sequence
overcurrent.
Continuous
sound
Major
Lit on
UF163
Detection of a large variation
of the reference error signal
(current reference and
actual current).
Discrepancy between output
voltage and external voltage
(bypass, common ac bus)
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
MITSUBISHI ELECTRIC 9900B SERIES UPS
MITSUBISHI
ELECTRIC
Page Number:
6-6
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
Table 6.1 (continuation)
Code
indication
(Note 3)
Status
message
Meaning
Guidance
Buzzer
External
relay contact
(Note 1)
Failure
lamp
(Note 2)
UF253
UPS CONTROL
CIRCUIT ERROR
Discrepancy between output
voltage and inverter voltage,
or between output voltage
and bypass voltage.
CALL
SERVICE
ENGINEER
Intermittent
sound
Minor
Flicker
UF256
OUTPUT
VOLTAGE
ABNORMAL
Output voltage is out of the
specified range.
Intermittent
sound
Minor
Flicker
UF257
52C ABNORMAL
Intermittent
sound
Minor
Flicker
UF258
LOAD
ABNORMAL
Intermittent
sound
Minor
Flicker
UF259
ANOTHER UPS
ABNORMAL
No detection of another UPS
voltage signal.
Intermittent
sound
Minor
Flicker
UF301
UPS CONTROL
CIRCUIT ERROR
AD reference has an
abnormal value.
Continuous
sound
Major
Lit on
UF302
UPS CONTROL
CIRCUIT ERROR
Continuous
sound
Major
Lit on
UF303
UPS CONTROL
CIRCUIT ERROR
Continuous
sound
Major
Lit on
UF305
UPS CONTROL
CIRCUIT ERROR
Continuous
sound
Major
Lit on
UF306
UPS CONTROL
CIRCUIT ERROR
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
UF309
UF310
INVERTER
VOLTAGE
ABNORMAL
CONTROL
POWER SUPPLY
ABNORMAL
Contactor 52C failed to open
during load transfer from
inverter to bypass.
Load transfer due to
overload for over 4 times
within 5 minutes.
Detection of an external
interruption during the
software execution.
Timer does not reset in the
specified period (WDT
settings)
Detection of an abnormal
clock speed in the DSP or
FPGA.
Control power supply
voltage is 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.
UF320
UPS CONTROL
CIRCUIT ERROR
UF323
UPS CONTROL
CIRCUIT ERROR
Major communication error
during parallel operation.
UF352
CONTROL
POWER SUPPLY
ABNORMAL
UF363
UPS CONTROL
CIRCUIT ERROR
Backup control power
supplies exhibit abnormal
condition.
Synchronization status
signal is being received for a
considerable time.
UF371
UPS CONTROL
CIRCUIT ERROR
Minor communication error
during parallel operation.
UF372
UPS CONTROL
CIRCUIT ERROR
Unable to synchronize the
inverter output and the
bypass voltage.
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
MITSUBISHI ELECTRIC 9900B SERIES UPS
MITSUBISHI
ELECTRIC
Page Number:
6-7
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
Table 6.1 (continuation)
Code
indication
(Note 3)
Status
message
UF374
UPS CONTROL
CIRCUIT ERROR
UF375
UPS CONTROL
CIRCUIT ERROR
UF376
UPS CONTROL
CIRCUIT ERROR
UF377
UPS CONTROL
CIRCUIT ERROR
UF378
UPS CONTROL
CIRCUIT ERROR
No answer for sending
synchronizing signal.
UF379
UPS CONTROL
CIRCUIT ERROR
Abnormal clock speed of the
parallel control board
processor.
UF401
52S ABNORMAL
Error to close the contactor
52S.
UF402
52S ABNORMAL
Error to open the contactor
52S.
UF420
52L OPERATION
ERROR
UF451
52S ABNORMAL
UF452
CB3 ABNORMAL
(Note 1)
Meaning
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.
Load circuit breaker 52L
opened during inverter
operation.
Contactor 52S failed during
load transfer from inverter to
bypass.
Contactor CB3 is not
working properly.
Guidance
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
CHECK 52L
CALL
SERVICE
ENGINEER
CALL
SERVICE
ENGINEER
Buzzer
External
relay contact
(Note 1)
Failure
lamp
(Note 2)
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittents
ound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Continuous
sound
Major
Lit on
Intermittent
sound
Minor
Flicker
Intermittent
sound
Minor
Flicker
1) "Major" is defined as a major failure. Load transferred from the inverter circuit to the static
bypass line;
2) "Minor" is defined as a minor failure. UPS continues to operate normally, but cause of
alarm must be identified;
(Note 2) Indicates one of two possible LED illumination patterns - continuously on (lit on) or intermittent
(flicker).
(Note 3)
Code indication means:
UA+++ -----------------------UF+++ -----------------------U%0++ ----------------------U%1++ ----------------------U%2++ ----------------------U%3++ ----------------------U%4++ -----------------------
Alarm
Failure
Rectifier circuit failure
DC circuit failure
Inverter circuit failure
Control circuit failure
Bypass system failure
MITSUBISHI ELECTRIC 9900B SERIES UPS
MITSUBISHI
ELECTRIC
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
U%8++ ----------------------- Alarm
U%+00 - U%+49 --------- Major failure
U%+50 - U%+99 --------- Minor failure
*)
*)
“+” denotes any numeral from 0 to 9
“%” denotes either “A” or “F”
MITSUBISHI ELECTRIC 9900B SERIES UPS
Page Number:
6-8
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