Toshiba G9000 SERIES Installation And Operation Manual page 69

Table 8–2 UPS Module Fault Code List (cont.)
Code
Status
indication
message
(Note 2)
MF119 DC GROUND FAULT
MF128 CTRL.PWR. ABNL.
MF154 CB2 ABNORMAL
MF159 DC GROUND FAULT
MF160 CTRL.CIRCUIT ERR.
MF162 BATTERY ABNORMAL
MF163 BAT.VOLTAGE ABNL.
MF179 DC GROUND FAULT
MF201 INVERTER OV.
MF202 INVERTER UV.
MF203 INVERTER OC.
MF204 O/P CIRCUIT ABNL.
MF207 ZERO PHASE OC.
MF208 CTRL.CIRCUIT ERR.
MF210 52C ABNORMAL
MF213 OVERTEMPERATURE
MF214 COOLING FAN ABNL.
MF217 INVERTER OV.
MF230 ZERO PHASE OC.
MF253 CTRL.CIRCUIT ERR.
MF254 COOLING FAN ABNL.
MF256 O/P VOLTAGE ABNL.
G9000 1000-2000kVA Installation and Operation Manual 91469-007
Meaning
Detection of DC ground fault.
Power supply voltage to IGBT driver PCB is below the
specified level.
During UVT, status signal from CB2 is ON.
Detection of DC ground fault.
Abnormal behavior of DC current sensor.
Failure detection based on battery self-check.
Battery voltage is abnormal.
Detection of DC ground fault continued for 5 minutes.
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).
Inverter zero-sequence overcurrent.
Cross current is abnormal.
Error to open the contactor 52C.
Heatsink temperature exceeds thermal settings.
Thermal relay activated protection.
Detection of inverter output phase overvoltage.
Detection of zero-sequence overcurrent.
Discrepancy between output voltage and inverter
voltage, or between output voltage and bypass
voltage.
Thermal relay of cooling fan worked.
Output voltage is out of the specified range.
External relay
contact
(Note 1)
Major
Major
Minor
Minor
Minor
Minor
Minor
Minor
Major
Major
Major
Major
Major
Major
Major
Major
Major
Major
Major
Minor
Minor
Minor
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