Troubleshooting
312359R 65
P9BX B pump pressure is
abnormally low compared
to A pump pressure.
Spray B air motor is icing up causing
restriction and lower fluid
pressure.
Open the air motor de-ice bleed
air controls. Allow ice to melt. Dry
compressed air. Heat compressed
air.
Use a smaller tip.
B pump is binding. Repair lower. See your
proportioner repair manual.
QDAE Dosing size A alarm Spray The fluid dosing size is greater
than 45 cc when fast dosing is
turned off.
Adjust the B side fluid restriction.
Follow Adjust B Machine Outlet
Restriction, page 42.
The fluid dosing size is greater
than 30 cc when fast dosing is
turned on.
Decrease the air motor velocity
with a smaller tip.
QTAE Dosing size A advisory Spray The fluid dosing size is greater
than 35 cc when fast dosing is
turned off.
Adjust the B side fluid restriction.
Follow Adjust B Machine Outlet
Restriction, page 42.
The fluid dosing size is greater
than 20 cc when fast dosing is
turned on.
Decrease the air motor velocity
with a smaller tip.
R1BE Ratio Low B (under dose
B); system delivering not
enough B component.
Spray B dosing valve will not open. Check for air signal to valve.
B mix manifold valve closed. Open green mix manifold valve.
Pump filter plugged on B side. Use alternate 30 mesh screen.
See your pump manual for part
number.
Clean B pump outlet filter. See
your pump manual.
Alarm
Code
Alarm Problem When Active Cause Solution
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