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1.6.6 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 after
rectifying
Improper air gap Adjust air gap
Oil dirt mixed in Clean oil dirt
Slipping
Unstable operation in previous use Running-in for a while
Oil dirt mixed in Clean oil dirt
Large load Reduce load or replace large specification
Large load change Adjust load peak or large the specification
High
temperature
Too high exciting voltage Check voltage and adjust.
Clutch or motor interfere to the brake Check control circuit, eliminate interference
High environment temperature Set ventilation
High operating frequency Adjust to proper frequency
Over large load Reduce load
Large noise
Product service environment needs
silence
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
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