1、Pressure regulator failure

A、Pressure regulating pad failure

Replace

B、Pressure regulating   film failure

C、Pressure regulating   spring failure

D、Press block screw   loosening

Turn on the regulator and tighten the screws.

2、The terminal water level is not displayed or on the   low side where the water level on the pressure regulator is showed normal.

A、The water line is not in straight as the house   ground has horizontal difference which gradually increased at the end of   horizon.

Adjust the water   line to the straight, so that water level display on both ends of the water   pipe will show the same level.

B、Air block in water pipe caused poor water supply.

Open the end   ball valve to exhaust air.

C、Terminal leakage

Check the   terminal to see if the ball valve is leaking or bonding is not reliable.