6262
1.5.5 Common fault and troubleshooting1.5.5 Common fault and troubleshooting
FaultFault
Probable Probable cause cause Corrective Corrective actionaction
Brake does notBrake does not
workwork
Power Power is is obstructobstructed ed ConnectConnect
TToo oo low low exciting exciting voltage voltage Check Check voltage voltage and and adjust.adjust.
Improper Improper air air gap gap Adjust Adjust air air gapgap
Stator Stator coil coil breaks breaks Replace Replace statorstator
Oil Oil dirt dirt mixed mixed in in Clean Clean oil oil dirtdirt
Long brake timeLong brake time
Switch installed to AC circuitSwitch installed to AC circuit
Install the switch to the DC circuitInstall the switch to the DC circuit
after rectifyingafter rectifying
Improper Improper air air gap gap Adjust Adjust air air gapgap
Oil Oil dirt dirt mixed mixed in in Clean Clean oil oil dirtdirt
SlippingSlipping
Unstable Unstable operation operation in in previous previous use use Breaking-in Breaking-in for for a a whilewhile
Oil Oil dirt dirt mixed mixed in in Clean Clean oil oil dirtdirt
Large loadLarge load
Reduce load or replace largeReduce load or replace large
specificationspecification
Large load changeLarge load change
Adjust Adjust load load peak peak or or large large thethe
specificationspecification
High temperatureHigh temperature
TToo oo high high exciting exciting voltage voltage Check Check voltage voltage and and adjust.adjust.
Clutch or motor interfere to theClutch or motor interfere to the
brakebrake
Check control circuit, eliminateCheck control circuit, eliminate
interferenceinterference
High High environment environment temperature temperature Set Set ventilatioventilationn
High High operating operating frequency frequency Adjust Adjust to to proper proper frequencyfrequency
Over Over large large load load Reduce Reduce loadload
Large noiseLarge noise
Product service environment needsProduct service environment needs
silencesilence
Silence designSilence design
Impurity Impurity mixed mixed in. in. Clear Clear away away the the impurityimpurity
Bad Bad mounting mounting Replace Replace mounting mounting surface surface or or shaftshaft
Large rotational inertia or dynamicLarge rotational inertia or dynamic
unbalance valueunbalance value
Reduce rotational inertia orReduce rotational inertia or
dynamic unbalance value.dynamic unbalance value.
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