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Operation in the back will automatically come down, but the speed is very slow.
This failure is mainly caused by the leakage of the solenoid valve, generally occurs in the electric operating table, the long-term use of impurities sometimes gathered at the mouth of the solenoid valve. The solution is to open the solenoid valve with gasoline cleaning. Need to pay attention to is due to the high back pressure, the general electric operating table design has two solenoid valves in series, cleaning to two together.
2016.7.5
