Toshiba TOSNIC-7000S - Manual (Page 47)

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Table 9.4 Fault (Trip)
# Item LCD Message
Indication
Description
1 52RT 52R TRIP AC input circuit breaker #52R tripped.
2 72BT 72B TRIP DC input circuit breaker #72B tripped.
3 71BF DC FUSE BLW DC Main circuit fuse blew.
4 86MU MU FAULT1 An inverter or converted fuse blew.
5 WDCPU WDCPU An error occurred in the main control
microprocessor (CPU).
6 80PS CONT. PS. ERR The control power supply voltage fell.
7 80B1 BATT UV Battery voltage is below discharged voltage.
8 5E EPO SW ON An emergency stop was specified by the external
contact input. (Option)
Table 9.5 Warning - 1 (Converter stop/Input power error)
# Item LCD Message
Indication
Description
1 27S AC I/P UV AC input voltage is low.
2 59S AC I/P OV AC input voltage is high.
3 95S I/P FREQ. ERR AC input frequency error.
Table 9.6 Warning - 2 (Stop and restart)
# Item LCD Message
Indication
Description
1 27I AC O/P UV AC output voltage is low.
2 59I AC O/P OV AC output voltage is high.
3 51L AC O/P OL Load is too high.
4 51I AC O/P OC Load overcurrent.
5 51IO INV OC Inverter overcurrent.
6 76 DC OC Excessive current in DC section of main circuit.
7 45 DC OV Excessive voltage in DC section of main circuit.
8 51C AC I/P OC AC input overcurrent.
9 51CO CONV OC Converter overcurrent.
10 30MU MU FAULT2 The converter and/or inverter gate voltage fell,
or the converter and/or inverter overheated.
11 26C OVER TEMP Temperature high in cubicle.
12 WDDSP CONTROL ERR An error occurred in the control microprocessor
(DSP).