Inovance MD320 Series, User Manual

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Fault Diagnosis and Solution MD320/MD320N User Manual
Phase loss failure at the output side
Err 13
Check if the cable connecting the
inverter to the motor is normal
Perform troubleshooting
No
Check if the module is normal Replace the module
Yes
Check if the three- phase output of therunning
inverter without motor is balanced
Check if the drive board is normal Replace the drive board
Check if the three-phase
winding of the motor is
normal
Yes
No
Yes
No
Ask for technical support
Fig.8-12 Phase failure at output side(ERR13)
Module over heat
If the ambient temperature is too high
Reduce the ambient
temperature
If the air duct is blocked Clean the air duct
If the fan is broken
Replace the fan
If the thermal resistor of the module is broken
Replace the thermal resistor
If the inverter module is broken
Replace the inverter module
Ask for technical support
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Fig.8-13 Module overheating (ERR14)
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