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