1. CHECK IF THE BATTERY IS FULLY CHARGED, WHEN THE BATTERY VOLTAGE IS LOWER THAN 22V AND ALARM “CHARGING”, PLEASE CHARGE IN TIME;

2. CHECK IF THE EMERGENCY STOP SWITCH IS PRESSED. IF IT DOES, TURN ON THE EMERGENCY STOP SWITCH AND RESTART THE MACHINE (ONLY SUIT FORT90).

3. CHECK IF EACH FUSE IS BLOWN. IF IT DOES, PLEASE REPLACE IT;

4. CHECK IF THE INTEGRATED CONTROLLER IS FAULTY. IF IT DOES, PLEASE REPLACE THE INTEGRATED CONTROLLER.

5. CHECK IF THE DC CONTACTOR CAN BE PROPERLY SUCKED.. IF THE COIL DOES NOT PICK UP PROPERLY AFTER POWER-ON, PLEASE REPLACE THE DC CONTACTOR.