Fault
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Reason
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Trouble-shooting method
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General action or single action out of work |
General action or single action out of work
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Switch on and check the switch
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Loss of phase or overload for one electrical motor several electrical motors
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Check each electrical motor
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NO.1 upright post rising or descending switch damaged ,line circuit broken
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Repair or change travel switch, connect the line circuit
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NO.2 upright post electrical motor work, but no.2 upright post and general action not working
|
No.1 upright post rising or descending switch damaged, line circuit obstructed
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Repair or change travel switch, connect the travel switch circuit
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NO.1 and 2 upright post electrical motors work, but no.3 and 4 upright posts not working
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NO.3 upright post rising or descending switch damaged ,circuit broken
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Repair or change travel switch, connect the travel switch circuit
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No.1,2 and 3 upright post electrical motors work, but no.4 upright post not working
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NO.4 upright post rising or descending switch damaged, circuit broken
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Repair or change travel switch, connect the travel switch circuit
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The lifter's electrical motor can only one-way operate.
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The travel switch at the reverse end not working, circuit broken
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Repair or change travel switch, connect the travel switch circuit
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The lifter elevating button is opposite to the actual operation.
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Reversed incoming lines of power or electrical motor
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Adjust power or electrical motor phase lines |