Troubleshooting   Linear Actuators

Power Cylinder T Series

1 The start button does not work.
2 The motor produces sounds but does not work.
3 The rated thrust cannot be attained.
4 Poor stopping accuracy
5 Motor overheat
6 Unit damage
 Answers
1 The start button does not work.
Cause 1 Incorrect connection of the motor/limit switch/controller Action Check the wiring.
Cause 2 Disconnection of the motor stator winding or lead wire Action Repair or replacement
Cause 3 Failure of the electromagnetic switch/controller Action Repair
Cause 4 Limit switch failure Action Replacement
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2 The motor produces sounds but does not work.
Cause 1 Single-phase operation Action Check the wiring.
Cause 2 Power supply voltage drop Action Increase the power supply capacity. Review the power supply size.
Cause 3 Excessive stroke of the brake electromagnet Action Adjustment
Cause 4 Seized brake lining Action Replacement
Cause 5 Slip of the Torque Limiter (excluding TC type) Action Adjustment and replacement of the friction plate
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3 The rated thrust cannot be attained.
Cause 1 Power supply voltage drop Action Increase the power supply capacity. Review the power supply size.
Cause 2 Decreased set torque of the Torque Limiter (excluding TC type) Action Adjustment and replacement of the friction plate
Cause 3 Improper connection with the connected equipment Action Repair
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4 Poor stopping accuracy
Cause 1 Worn brake lining Action Adjustment and replacement of the lining
Cause 2 Oil/water on the friction surface Action Disassembly and cleaning. Replacement of the lining.
Cause 3 Replacement of the lining Action Trial run
Cause 4 Failure of manual brake release Action Set the brake to the proper position.
Cause 5 Overload Action Reduce the load. Review the capacity.
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5 Motor overheat
Cause 1 Overload Action Reduce the load. Review the capacity.
Cause 2 Excessive use frequency Action Review the capacity.
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6 Unit damage
Cause 1 Impact load Action Repair
Cause 2 Side load Action Repair
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