Mitsubishi Electric 1100B Series Owner Technical Manual page 60

Code
Status
indication
message
(Note 2)
MF109 DC UNBALANCED
MF112 DC CIRCUIT ABNORMAL
CONTROL POWER
MF128
SUPPLY ABNORMAL
MF162 BATTERY ABNORMAL
BATTERY VOLTAGE
MF163
ABNORMAL
BATTERY VOLTAGE
MF169
ABNORMAL
VDB SENSOR
MF170
ABNORMAL
INVERTER
MF201
OVERVOLTAGE
INVERTER
MF202
UNDERVOLTAGE
INVERTER
MF203
OVERCURRENT
OUTPUT CIRCUIT
MF204
ABNORMAL
UPS CONTROL CIRCUIT
MF206
ERROR
UPS CONTROL CIRCUIT
MF208
ERROR
MF210 52C ABNORMAL
MF213 OVERTEMPERATURE
COOLING FAN
MF214
ABNORMAL
UPS CONTROL CIRCUIT
MF253
ERROR
UPS CONTROL CIRCUIT
MF301
ERROR
UPS CONTROL CIRCUIT
MF302
ERROR
UPS CONTROL CIRCUIT
MF303
ERROR
UPS CONTROL CIRCUIT
MF305
ERROR
UPS CONTROL CIRCUIT
MF306
ERROR
INVERTER VOLTAGE
MF309
ABNORMAL
1100B SERIES UPS
OWNERS / TECHNICAL MANUAL
Major unbalance of the neutral point voltage.
Sudden change of the DC voltage level.
Power supply voltage to IGBT driver PCB is below the
specified level.
Failure detection based on battery self-check.
Battery voltage is abnormal.
Battery voltage is abnormal.
Detection of a large variation of the difference
between control-only and protection-only battery
voltage.
Detection of output overvoltage.
Output voltage dropped.
Detection of inverter overcurrent.
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)
Cross current is abnormal.
Error to open the contactor 52C.
Heatsink temperature exceeds thermal settings.
Thermal relay activated protection.
Discrepancy between output voltage and inverter
voltage, or between output voltage and bypass
voltage.
AD reference has an abnormal value.
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.
MITSUBISHI ELECTRIC 1100B SERIES UPS
Meaning
Page Number:
6-6
External relay
contact
(Note 1)
Major
Major
Major
Minor
Minor
Minor
Minor
Major
Major
Major
Minor
Major
Major
Major
Major
Major
Minor
Major
Major
Major
Major
Major
Major