12. Troubleshooting MD500 User Manual
Operating Panel Display Fault Name
Motor overtemperature.
Cause Possible Solution
Cable connection of the temperature
sensor becomes loose
Check the cable connection of the temperature sensor and eliminate the fault.
The motor temperature is too high. Decrease the carrier frequency or take other measures to cool the fan.
Operating Panel Display Fault Name
Braking unit overload
Cause Possible Solution
The resistance of the regen resistor is too small. Replace a large regen resistor.
Operating Panel Display Fault Name
Short-circuit of braking circuit
Cause Possible Solution
The braking module is abnormal. Contact the agent or Inovance.
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