MD500 User Manual 12. Troubleshooting
Operating Panel Display Fault Name
8VHUGHÀQHGIDXOW
Cause Possible Solution
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Reset the operation.
Operating Panel Display Fault Name
Accumulative power-on time reached
Cause Possible Solution
The accumulative power-on time
reaches the setting value.
Clear the record through the parameter initialization function.
Operating Panel Display Fault Name
Accumulative power-on time reached
Cause Possible Solution
The running current of the AC drive is smaller
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Operating Panel Display Fault Name
Pulse-by-pulse current limit fault
Cause Possible Solution
The load is too heavy or locked-
rotor occurs on the motor.
Reduce the load and check the motor and mechanical conditions.
The AC drive size is small. Replace a large drive.
Operating Panel Display Fault Name
Motor switchover fault during running
Cause Possible Solution
Change the selection of the motor via
terminal during running of the AC drive.
Perform motor switchover after the AC drive stops.
Operating Panel Display Fault Name
Speed feedback error too large
Cause Possible Solution
The encoder parameters are set improperly. Set the encoder parameters properly.
The motor auto-tuning is not performed. Perform the motor auto-tuning.
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large speed feedback error) are set incorrectly.
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Operating Panel Display Fault Name
RUN
Motor overspeed
Cause Possible Solution
The encoder parameters are set improperly. Set the encoder parameters properly.
The motor auto-tuning is not performed. Perform the motor auto-tuning.
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(Overspeed detection time) are set incorrectly.
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