Common fault solution for low headroom wire rope hoist
Failure One reason: poor contactor.
Workaround: Manually operated hoist, control coil or wire rope electric hoist normal action represents poor contact - to find out the location and repair of poor contact; still unable to manipulate the terms of manually manipulate wire rope electric hoist, you need to check the main power supply is normal, if the main power is no title, bad contactor can not be normal output, you need to replace the contactor.
The cause of the malfunction: The power cord or wire control circuit fault or not connected.
Solution: repair or replacement of the fracture and poor contact wire.
The cause of the malfunction: Control circuit fuse burned
Solution: Check and replace accurate fuse
The cause of the malfunction: power fuse blown or tripped fuse switch.
Solution: Check whether the current demand is met, replace the appropriate fuse or no fuse switch restart.
The cause of the malfunction: The power supply voltage is too low.
Solution: the measurement of the voltage value is less than 10% of the supply voltage of the scale.
The cause of the malfunction VI: The motor sounds, but did not rotate.
Solution: Check the motor phase accuracy - action to repair and well insulated.
The cause of the malfunction: emergency switch is pressed.
Solution: Make sure that the emergency switch is pressed.
The cause of the malfunction eight: the power of the original line phase wrong phase protective effect starts, and therefore can not manipulate.
Solution: two-phase power supply line is swapped.
The cause of the malfunction IX: contactor coil short circuit.
Solution: Replace the contactor.