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Appendix

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14.8.3 Replacing VG<br />

FRENIC5000 VG FRENIC5000 VG7S<br />

− dbH DB resistor overheat<br />

− DC fuse blown dcF DC fuse blown<br />

− dO Excessive position deviation<br />

− EF Ground fault<br />

− Er1 Memory error<br />

− Er2 KEYPAD panel communication error<br />

− CPU error Er3 CPU error<br />

− Er4 Network error<br />

− Er5 RS485 communication error<br />

− Er6 Operation procedure error<br />

− Er7 Output wiring error<br />

− Er8 A/D converter error<br />

− Er9 Speed disagreement<br />

− ErA UPAC error<br />

− Erb Inter-inverter communication error<br />

− IPE IPM error<br />

− Lin Input phase loss<br />

− Undervoltage LU Undervoltage<br />

− NTC thermistor disconnection nrb NTC thermistor disconnection<br />

− Overcurrent OC Overcurrent<br />

− Inverter overheat OH1 Overheating at heat sink<br />

− DB resistor overheat OH2 External alarm<br />

− OH3 Inverter internal overheat<br />

− Motor overheat OH4 Motor overheat<br />

− OL1 Motor 1 overload<br />

− OL2 Motor 2 overload<br />

− OL3 Motor 3 overload<br />

− Inverter overload OLU Inverter unit overload<br />

− Overspeed OS Overspeed<br />

− Overvoltage OU Overvoltage<br />

− PbF Charging circuit error<br />

− P9 PG disconnection<br />

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