INSTRUCTION MANUAL
Electrical winches LM90A/LM250A
Réf : 1813000156
Page :
13/17
Version : 23/21
3.2
Troubleshooting
Faults
observed
Potential causes of the fault
Remedies
The
motor
does not rotate
The temperature sensor is activated
The motor has a mechanical fault
The contactor in the hoist is out of order or
disconnected
The limit switch is activated
Fault in the control circuit
Fault in the power circuit
Power supply fault
Current escape to earth
Batteries of the remote control out-of-order
Wait for a drop in temperature
Check the motor
Reconnect or replace it
To be checked by a competent person
Check
The hoist does
not lift
The grooved pulley is worn or dirty
The condenser is disconnected or out of
order
The temperature sensor is activated
The motor is blocked
The contactor on the hoist is out of order or
disconnected
The limit switch is activated
Fault in the control circuit
Fault in the power circuit
Verification
Verification
Wait for a drop in temperature
Verification (maintenance)
Reconnect or replace it
To be checked by a competent person
The hoist does
not lower
The temperature sensor is activated
The motor is blocked
The contactors in the hoist are off or
disconnected
Error in the control circuit
Error in the power circuit
Wait until it cools
Check the motor
Reconnect or change
To be checked by a competent person
The motor is
powered
but
stops (snoring
sound)
The capacitor is disconnected or out of
service (for single phase hoist only)
The motor is blocked
Power cable section too thin
Verification
Verification (maintenance)
Replace the power cable
The hoist does
not lift the
load
The groove pulley is worn or dirty
The capacitor is disconnected or out of
service (for single phase hoist only)
The temperature sensor is activated
Power cable section too thin
The wire rope is inserted in wrong way
Verification
Verification
Wait until it cools
Replace the power cable
Verification
Current
too
high
The brake is out of service
The capacitor is disconnected or out of
service (mono phase hoist only)
The motor is blocked
Verification
Reconnect the capacitor or change it
Verification (maintenance)
Slow slide
The groove pulley is worn or dirty
The brake is worn
The adhesion system is worn or dirty
Verification
Adjust the brake
Verification
3.3
Spare parts
Use only FIXATOR original spare parts.
Note and send the information listed on the plate
shown below before requesting parts.
