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1.3.5 Common fault and troubleshooting
Fault Probable cause Corrective action
Brake does not work
Power is obstructed Connect
Too low exciting voltage Check voltage and adjust.
Improper air gap Adjust air gap
Stator coil breaks Replace stator
Oil dirt mixed in Clean oil dirt
Long brake time
Switch installed to AC circuit
Install the switch to the DC circuit
Improper air gap Adjust air gap
Oil dirt mixed in Clean oil dirt
Slipping
Unstable operation in previous
Running-in for a while
Oil dirt mixed in Clean oil dirt
Large load
Reduce load or replace large
Large load change
Adjust load peak or large the
High temperature
Too high exciting voltage Check voltage and adjust.
Clutch or motor interfere to the
Check control circuit, eliminate
High environment temperature Set ventilation
High operating frequency Adjust to proper frequency
Over large load Reduce load
Large noise
Product service environment
Silence design
Impurity mixed in. Clear away the impurity
Bad mounting Replace mounting surface or shaft
Large rotational inertia or
dynamic unbalance value
Reduce rotational inertia or
dynamic unbalance value