When the working light of the computer spring machine does not light up, the working light circuit is relatively independent. If the light is not on, you can check and troubleshoot the various accessories of the circuit. Computer spring machine maintenance method, first check whether the bulb is burned out, and check whether the fixing screw between the bulb and the lamp holder is in bad contact.
 

 

Abnormal power failure occurs when the computer spring machine cannot be turned on for production. This failure occurs because the computer spring machine has a short circuit in the machine. Maintenance method of computer spring machine: Check whether the connectors on the main power plug, aviation plug, air switch, AC contactor and power switch (switch with red and green buttons) are loose, dropped and short-circuited.