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14.8 Protective Functions<br />
14.8.1 Replacing VG5<br />
FRENIC5000 VG5S 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 />
Er1 Memory error Er1 Memory error<br />
Er2<br />
KEYPAD panel communication<br />
error<br />
Er2<br />
KEYPAD panel communication<br />
error<br />
Er3 CPU error Er3 CPU error<br />
Er4 T-Link communication error Er4 Network error<br />
Er5 RS485 error Er5 RS485 communication error<br />
Er6 Operation procedure error Er6 Operation procedure error<br />
Er7 Output wiring error Er7 Output wiring error<br />
Er8 A/D converter error 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 />
nrb NTC thermistor disconnection nrb NTC thermistor disconnection<br />
OC Overcurrent OC Overcurrent<br />
OH1 Overheating at heat sink OH1 Overheating at heat sink<br />
OH2 External alarm OH2 External alarm<br />
OH3 Inverter internal overheat OH3 Inverter internal overheat<br />
OH4 Motor overheat OH4 Motor overheat<br />
OL Motor overload OL1 Motor 1 overload<br />
− OL2 Motor 2 overload<br />
− OL3 Motor 3 overload<br />
OLU Inverter overload OLU Inverter unit overload<br />
OS Overspeed OS Overspeed<br />
OU Overvoltage OU Overvoltage<br />
PbF Charging circuit error PbF Charging circuit error<br />
P9 PG disconnection P9 PG disconnection<br />
14-32
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