In order to ensure safety, when jacking up the vehicle, the vehicle should be stopped on the level ground and the front and rear wheels should be in the braking state.

1, first check the forklift battery of the electric forklift to see if there is voltage. If there is any voltage, check whether the voltage can be used normally. Fix: If the battery has no voltage or the voltage is too low, charge the battery directly.

2. Check whether the lifting switch and circuit of the lifting attachment of the electric forklift are loose or short circuit, and whether the micro-switch is damaged. Repair method: repair and clean the circuit, replace or repair the micro switch.
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3. Check whether the lifting contactor assembly of the electric forklift is burned out or whether the coil is short-circuited or broken. Repair method: Repair the platinum contact of the contactor or directly replace the new hydraulic contactor assembly.

4. Check whether the lifting module of the electric forklift is burned out or short-circuiting or broken. Repair method: Repair or replace the module assembly.

5, check whether the hydraulic motor of the electric forklift has voltage, check whether the motor has short circuit or open circuit leakage phenomenon, check whether the carbon brush is seriously worn. Repair method: Repair the circuit, replace the motor carbon brush and repair the motor copper head, repair the hydraulic motor assembly or replace a new hydraulic motor.

6. Check whether the hydraulic pump, multiway valve, tubing and cylinder of the electric forklift are damaged. Repair method: Check and repair the hydraulic pump of the electric forklift or directly replace the new hydraulic pump assembly. If the multiway valve is damaged, repair or directly replace the new multiway valve assembly, directly replace the new hydraulic tubing, and replace the cylinder. Repair kit or replace new cylinder assembly.