F7B2-A : Unexpected Pulses Flow Meter B

To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.

Flow meter pulses on the B-side material have been recorded when there shouldn't have been any

Check hoses, tubing, and valves for leaks.
Verify that the ratio check ball valve is closed on the B-side.
Verify that the B-side dosing valve is closed and is not leaking past the ball and seat on the valve.

There is a bad dosing valve solenoid valve

Replace the solenoid valve.

The dosing valve solenoid cable is not plugged in or is not functioning

Attach or replace the solenoid cable.