Graco XM Series Operation page 65

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