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14. Replacement Data<br />

14.8.2 Replacing VG3<br />

FRENIC5000 VG3 FRENIC5000 VG7S<br />

− dbH DB resistor overheat<br />

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

− dO Excessive position deviation<br />

EF Ground fault EF Ground fault<br />

Rf Memory error Er1 Memory error<br />

− Er2<br />

KEYPAD panel communication<br />

error<br />

− Er3 CPU error<br />

OPF T-Link communication error Er4 Network error<br />

− Er5 RS-485 communication error<br />

− Er6 Operation procedure error<br />

− Er7 Output wiring error<br />

CF Current detection circuit 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 />

LU Undervoltage LU Undervoltage<br />

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

OC Overcurrent OC Overcurrent<br />

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

OH3 External alarm OH2 External alarm<br />

− OH3 Inverter internal overheat<br />

OH2 Motor overheat OH4 Motor overheat<br />

− OL1 Motor 1 overload<br />

− OL2 Motor 2 overload<br />

− OL3 Motor 3 overload<br />

OL Inverter overload OLU Inverter unit overload<br />

OS Overspeed OS Overspeed<br />

OU Overvoltage OU Overvoltage<br />

− PbF Charging circuit error<br />

− P9 PG disconnection<br />

14-33

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