1. The screen cannot be displayed after normal booting
 
This situation is most likely caused by poor contact of the screen signal cable or power cord or a malfunction of the screen power switch.
 
Solution: Reconnect the signal cable, power cable, switch to replace the power supply, or the screen.
 
2. The spark machine can’t be turned on
 
The general reason is that the power supply is not input. It may be that the power plug is not plugged in or the fuse switch is tripped, and the system program is faulty.
 
Solution: Check the plug, turn the fuse switch on again, and reinstall the system program.
 
3. The fire alarm has been ringing after the spark machine is turned on.

Exclude the countermeasures: When the fire alarm sounds, it is necessary to check whether it is a fire situation. If it does not sound under the detection state, it will malfunction. Checking the infrared detector is faulty, replace the infrared detector; the external ambient light reflects, avoiding the reflected light.
 
4. After the sparking machine is turned on, the alarm is always on.

Trouble-shooting method: Check whether the electrode is in contact with the work piece. If it is normal, there is no fault. Check whether the electrode holder insulation sheet is broken or dirty. If it breaks, replace the insulation sheet. If it is dirty, clean the chuck. Positive and negative switching The relay is not working properly or the dust is contaminated. Replace or clean the relay. The protection switch trips and the protection switch is turned back.
 
5. Spark machine discharge move backwards.

Trouble-shooting method: Positive/negative switching relay action is not correct or dust is contaminated, replace or clean the relay; Signal board is faulty, replace signal board. Board signal line is poorly contacted or dropped, reconnect signal line. electrode holder insulation sheet is broken Or dirty, replace the insulation sheet or clean the chuck