Troubleshooting reducer

DCBL driver

1Does not rotate under no load
2It does not rotate when a load is applied
3Abnormal fever
4High-pitched noise
5Large vibrations
6The setting does not work
7Unable to communicate
8Analog input not recognized
9Frequent DC overvoltage
10Do not operate at the set torque
11No hold (no brake)
12No hold (with brake)
13Do not release the brake

DCBL Hypoid Motor

14Does not rotate under no load
15It does not rotate when a load is applied
16Abnormal fever
17High-pitched noise
18Large vibrations
19Grease leaks

DCBL Hypoid Motor with brake

20The brakes don't work
21The motor does not turn
The motor generates abnormal heat
The thermal relay operates
Brake noise is loud
22Abnormal fever
回答へ

DCBL driver

1Does not rotate under no load
Cause 1power outageSolutionCheck the power supply and contact the power company
Cause 2Breaking of the connecting wireSolutionChecking the circuit
Cause 3Poor connection of the switchSolutionRepair or replacement
Cause 4Parameter misconfigurationSolutionChecking the settings
Cause 5Protection StatusSolutionChecking the status
Return to list
2It does not rotate when a load is applied
Cause 1Voltage dropSolutionCheck power supply and wiring length
Cause 2Overload operationSolutionReduce the load
Cause 3Parameter misconfigurationSolutionChecking the settings
Cause 4noiseSolutionCheck the ground wire
Return to list
3Abnormal fever
Cause 1Overload operationSolutionReduce the load
Cause 2Start/stop frequency is too highSolutionReduce frequency
Cause 3Parameter misconfigurationSolutionChecking the settings
Cause 4Voltage is too high or too lowSolutionChecking the voltage
Return to list
4High-pitched noise
Cause 1Power abnormalitySolutionCheck the power supply
Cause 2Parameter misconfigurationSolutionChecking the settings
Return to list
5Large vibrations
Cause 1Power abnormalitySolutionCheck the power supply
Cause 2Parameter misconfigurationSolutionChecking the settings
Return to list
6The setting does not work
Cause 1Input signal miswiringSolutionWiring check
Cause 2Parameter misconfigurationSolutionChecking the settings
Cause 3noiseSolutionCheck the ground wire and connect the noise filter
Return to list
7Unable to communicate
Cause 1Slave address misconfigurationSolutionSW1 check
Cause 2Communication speed misconfigurationSolutionSW2 check
Cause 3Affected by noiseSolutionCheck the ground wire
Cause 4The communication settings are incorrectSolutionChecking the settings
Cause 5Attempting to set a value outside the setting rangeSolutionChecking the Configuration
Cause 6Poor connectionSolutionCheck the wiring
Return to list
8Analog input not recognized
Cause 1MiswiringSolutionCheck the wiring
Cause 2DisconnectionSolutionCheck the wiring
Cause 3Parameter misconfigurationSolutionChecking the settings
Return to list
9Frequent DC overvoltage
Cause 1Overload operationSolutionAdding a regenerative resistor
Cause 2Regenerative resistor damageSolutionChecking the resistance value
Cause 3Regenerative resistor connection failureSolutionCheck the wiring
Return to list
10Do not operate at the set torque
Cause 1Power abnormalitySolutionCheck the power supply
Cause 2Parameter misconfigurationSolutionChecking the settings
Cause 3Overload operationSolutionReduce the load
Cause 4Driver corruptionSolutionDriver replacement
Return to list
11No hold (no brake)
Cause 1Power abnormalitySolutionCheck the power supply
Cause 2overloadSolutionReduce the load
Cause 3Parameter misconfigurationSolutionChecking the settings
Cause 4MiswiringSolutionCheck the wiring
Cause 5Motor disconnectionSolutionCheck the wiring
Return to list
12No hold (with brake)
Cause 1Power abnormalitySolutionCheck the power supply
Cause 2overloadSolutionReduce the load
Cause 3Parameter misconfigurationSolutionChecking the settings
Cause 4MiswiringSolutionCheck the wiring
Return to list
13Do not release the brake
Cause 1Power abnormalitySolutionCheck the power supply
Cause 2Parameter misconfigurationSolutionChecking the settings
Cause 3MiswiringSolutionCheck the wiring
Return to list

DCBL Hypoid Motor

14Does not rotate under no load
Cause 1power outageSolutionCheck the power supply and contact the power company
Cause 2Breaking of the connecting wireSolutionChecking the circuit
Cause 3Poor connection of the switchSolutionRepair or replacement
Cause 4Stator winding breakSolutionRepaired at a specialized factory
Cause 5Three phases have become single phaseSolutionChecking the terminal voltage
Cause 6Gear, shaft, and bearing damageSolutionRepaired at a specialized factory
Return to list
15It does not rotate when a load is applied
Cause 1Voltage dropSolutionWiring length check
Cause 2Gear wearSolutionRepaired at a specialized factory
Cause 3Overload operationSolutionReduce the load
Return to list
16Abnormal fever
Cause 1Overload operationSolutionReduce the load
Cause 2Operation with excessively frequent start/stop overloadsSolutionReduce frequency
Cause 3Bearing damageSolutionRepair or replacement
Cause 4Voltage is too high or too lowSolutionChecking the voltage
Return to list
17High-pitched noise
Cause 1Continuous noise - bearing damage and gear wearSolutionRepaired at a specialized factory
Cause 2Intermittent noise - Gear scratches or foreign objects caughtSolutionRepaired at a specialized factory
Return to list
18Large vibrations
Cause 1Gear and bearing wearSolutionRepaired at a specialized factory
Cause 2Improper installation/loose boltsSolutionRetightening
Return to list
19Grease leaks
Cause 1Looseness of fastening partsSolutionRetightening
Cause 2Oil seal damageSolutionRepaired at a specialized factory
Return to list

DCBL Hypoid Motor with brake

20The brakes don't work
Cause 1Wiring errorSolutionChecking the wiring
Cause 2Defective switchSolutionReplacement/repair
Return to list
21The motor does not turn
The motor generates abnormal heat
The thermal relay operates
Brake noise is loud
Cause 1Brake wiring errorSolutionChecking the wiring
Cause 2Large brake gapSolutionGap adjustment
Cause 3DC rectifier failureSolutionReplacement/repair
Cause 4Brake coil open or short circuitSolutionRepaired at a specialized factory
Cause 5Poor contact of the switchSolutionReplacement/repair
Return to list
22Abnormal fever
Cause 1High braking frequencySolutionReduce frequency
Cause 2Large load torque and load inertiaSolutionReduce the load
Return to list

The above is a summary of the causes and solutions for common everyday malfunctions.
If you have any other problems, please consult your dealer.
In that case, please also inform us of the following information on the nameplate.

  • (1) Manufacturing number (MFG NO.)
  • (2) Model number (TYPE)
  • (3) Motor capacity (POWER)
  • (4) Reduction ratio (RATIO) or rotation speed (OUTPUT SPEED)
  • (5) Drawing number