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Reasons and solutions for the failure of electric forklifts

Reasons and solutions for the failure of electric forklifts

  • 2021-07-27
Nowadays, mainstream electric forklifts on the market will be equipped with instrument display devices. When the electric forklift fails, the operator must first check the fault code displayed on the instrument display on the vehicle (the electric forklift has a self-check system. When a fault occurs, The display will show the cause of the fault, usually in the form of a code), or check the flashing fault indicator, and then check the manual of the vehicle to find the approximate range of the cause of the fault.

Electric forklift

1. First check the forklift battery of the electric forklift accessories to see if there is any voltage. If there is voltage, check if the voltage can be used normally. Remedy: if the battery has no voltage or the voltage is too low, directly charge the battery.
   2. Check whether the lifting accessories switch and circuit are loose or short-circuited, and whether the micro switch is damaged. Remedy: repair and clean up the circuit, replace or repair the micro switch.
  3. Check whether the lifting contactor assembly is burnt out or the coil is short-circuited or open. The troubleshooting method: repair the platinum contacts of the contactor or directly replace it with a new hydraulic contactor assembly.
  4. Check whether the lifting module is burnt out, short circuit or open circuit. The troubleshooting method: repair or replace the module assembly.
   5. Check whether the hydraulic motor has voltage, check whether the motor is short-circuited, open circuit, or leaking, and check whether the carbon brushes are severely worn. Remedy: repair the circuit, replace the carbon brush of the motor and repair the copper head of the motor, repair the hydraulic motor assembly or replace with a new hydraulic motor.
6. Check whether the hydraulic pump, multi-way valve, oil pipe and cylinder of the electric forklift are damaged. The troubleshooting method: repair the damaged hydraulic pump or directly replace the new hydraulic pump assembly. If the multi-way valve is damaged, repair it or replace it directly. New multi-way valve assembly, replacement of new hydraulic oil pipes, replacement of oil cylinder repair kit or replacement of new oil cylinder assembly.

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