Troubleshooting   Linear Actuators

Power Cylinder F Series - Rated thrust: 400 N or less

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

Power Cylinder F Series - Rated thrust: 1.00~6.00kN or less

7 The start button does not work.
8 The motor produces sounds but does not work.
9 The rated thrust cannot be attained.
10 Poor stopping accuracy
11 Motor overheat
12 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
Cause 5 Overload detection action is not turned off (reset). Action OFF(リセット)する(※取説P.10参照)
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2 The motor produces sounds but does not work.
Cause 1 Power supply voltage drop Action Increase the power supply capacity. Review the power supply size.
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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 Improper connection with the connected equipment Action Adjustment and replacement of the friction plate
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4 Poor stopping accuracy
Cause 1 Regenerative braking is off. Action Consider a dynamic braking circuit.
Cause 2 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 Replacement with a new one
Cause 2 Side load Action Replacement with a new one
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7 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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8 The motor produces sounds but does not work.
Cause 1 Power supply voltage drop Action Increase the power supply capacity. Review the power supply size.
Cause 2 Torque Limiter has slipped Action Adjustment and replacement of the friction plate/parts
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9 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 Torque Limiter's set torque value is low Action Adjustment and replacement of the friction plate/parts
Cause 3 Improper connection with the connected equipment Action Repair
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10 Poor stopping accuracy
Cause 1 Regenerative braking is off. Action Consider a dynamic braking circuit.
Cause 2 Overload Action Reduce the load. Review the capacity.
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11 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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12 Unit damage
Cause 1 Impact load Action Repair
Cause 2 Side load Action Repair
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