Customers can not request that the S-tube works, so let's check Solenoid valve 175Y8 result is not working. Then back
Check switch 221K2 it does not work the same. The Long modified using a hand press. It appears that the machine can operate normally.
Then check out the signal from the PLC stand Y11 showed no signal. Exports from pin Y11
Customers do wonder if the PLC setting is correct.