What should I do if the Honggang cutting machine does not go down or does not reset after going down?
A. There is a problem with the cutting switch, check or replace it.
B. Insufficient oil in the fuel tank or leakage of the oil pipe, refuel or tighten the oil pipe joint.
C. The solenoid valve cannot be reset, repaired or replaced.
D. The relay is in poor contact, the main oil circuit cannot be switched, and the line is checked.