Step 7: Check if MOV 220 is closed.
Check if the valve MOV 220 is closed.
Step 8: Check MUD panel 10 FT 220
Go to the MUD panel 10 FT 220 and check if the light at number 1 is on.
Step 9: Check if the pinch valve is closed.
Check if the rubber of the squeeze valve is fully pressed in (like a harmonica), which indicates that the valve is closed.