Inovance MD290T45G/55P User Manual

10. Troubleshooting
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Operating Panel Display Fault Name
Input phase loss
Cause Possible Solution
Input phase loss occurs. Eliminate faults in external circuitry.
Drive board, lightning protection
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bridge is abnormal.
Contact the agent or Inovance.
Operating Panel Display Fault Name
Output phase loss
Cause Possible Solution
Motor winding is damaged. Check resistance between motor wires.
Replace motor is winding is damaged.
The cable connecting the AC drive
and the motor is abnormal.
Check for wiring errors and ensure the output cable is
connected properly.
Correct wiring.
The AC drive's three-phase outputs
are unbalanced when the motor is
running.
Check whether the motor three-phase winding is normal.
The drive board or the IGBT is
abnormal.
Contact the agent or Inovance.
Operating Panel Display Fault Name
IGBT overheat
Cause Possible Solution
The ambient temperature is too high. Lower the ambient temperature.
The ventilation is clogged. Clean the ventilation.
The fan is damaged. Replace the cooling fan.
Thermally sensitive resistor of IGBT
is damaged.
Replace the damaged thermally sensitive resistor.
The inverter IGBT is damaged. Replace the inverter IGBT.
Operating Panel Display Fault Name
External fault
Cause Possible Solution
External fault signal is input via DI. &RQ¿UPWKDWWKHPHFKDQLFDOFRQGLWLRQDOORZVUHVWDUW)
and reset the operation.
External fault signal is input via
virtual I/O.
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correctly and reset the operation.

Inovance MD290T45G/55P Specifications

General

Brand	Inovance
Model	MD290T45G/55P
Category	DC Drives
Language	English