Staxx Pallet Truck is a professional warehouse equipment manufacturer and pallet jack supplier in China.

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What should I do if the thermal protector of the electric forklift is open or the transistor temperature is too high?

by:Staxx Pallet Truck     2021-05-05
manufacturers suggest: first check the walking motor to see if the carbon brushes of the walking motor are seriously worn, or if your brakes are too tight, the load is too heavy, the motor is overloaded, and the high temperature caused by the electronic control overload is OK. Lift up the front wheel and turn it by hand to see if the collar is not flexible. If it is not flexible, check the brakes on both sides. If it is tested, see if there is oil shortage in the reducer, and if the bearing of the walking motor is short of oil, clean it. Clean the dust around the electronic controller, keep it clean, and clean it with compressed air.
What kind of failures are prone to electric forklifts? (Five symptoms)
1. Can't start, it may be caused by blown fuse, blocked control circuit, severe short circuit or open circuit of motor winding, short circuit between commutator segments, poor contact of brushes, heavy load or mechanical damage such as bearings . 2. The speed is abnormal, which may be caused by short circuit or open circuit of the winding, incorrect position of the brush and overload, damage to the bearing, low power supply voltage, etc. 3. The sparks of the brush may be caused by poor contact of the forklift brush, uneven surface of the commutator, incorrect position of the brush, dirty surface, short circuit of the commutator or short circuit of the motor winding. 4. High temperature is generated, which may be caused by overload, forklift bearings and oil seals are too tight, damaged or poorly lubricated, shaft core is not correct, armature and magnetic pole phase friction, winding short circuit, brush pressure is too large, incorrect position, poor rectification, etc. Causes. 5. There is noise, mainly caused by the damage of the bearings in the electric pallet truck parts, the uneven surface of the commutator, and the vibration or friction of the electric brush.
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