Chapter 8
62 AccuFlow™ and AccuFlow HP™ Installation & Operation Manual
5. Verify that valve is turning by watching the coupler shaft. If the valve does not open or close, replace the
control valve motor.
Issue 15:
Total Volume does not register.
Solutions:
1. Test the flow meter cable and any extension cables for breaks or shorts. Refer to the console operation
manual for testing procedure.
2. Check and clean internal components of flow meter. Refer to the console operation manual for flow meter
cleaning and adjustment procedure.
Issue 16:
Total Volume registers flow inaccurately.
Solutions:
1. Verify product flow corresponds to the direction of the arrow stamped on the flow meter.
2. Clean flow meter according to the Flow Meter Maintenance and Adjustment section on page 55.
3. See console installation manual.
Issue 17:
Motorized control valve rotates more than 1/4 turn.
Solution:
Replace motorized control valve.
WARNING
Anhydrous ammonia may be under pressure.
Before disconnecting any fittings or hoses, be
sure to purge the system of all liquid NH
3
(see
the Discharging the AccuFlow™ System
section on page 50).
WARNING
Anhydrous ammonia may be under pressure.
Before disconnecting any fittings or hoses, be
sure to purge the system of all liquid NH
3
(see
the Discharging the AccuFlow™ System
section on page 50).
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