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Graco XM Series Operation Manual

Graco XM Series
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Alarms
312359J 53
R2D Dosing sizes are not opti-
mized.
Spray Dosing valve is operating near
high or low timing limits.
Adjust mix manifold B restrictor
stem clockwise or counter
clockwise as indicated by bar
graph on restrictor screen. See
Adjust B Machine Outlet
Restriction, page 33.
P4A
P4B
Pressure high. Always Fluid pressure is above maxi-
mum.
Decrease main air regulator.
DAA
DAB
Pump runaway, above 80
cpm for 10 sec.
Always No material in pump or lines; no
fluid restriction.
Refill material in tank or hoses;
install fluid tip.
DDA
DDB
Pump cavitation; dives more
than 1/2 of stroke.
Spray No fluid or valve closed. Refill supply and open inlet
valve.
Material is too cold or thick. Increase material temperature
to reduce viscosity. See Heat
Fluid, page 31. Shear material
with agitation to reduce viscos-
ity.
Pump inlet check valve not
closing.
Clear debris from check valve.
Or replace ball, seat, and seal.
Feed pump not providing mate-
rial.
Check feed pump (if used).
Inlet strainer plugged (if used). Check and clean strainer. See
manual 313289.
P1A
P1B
Pressure low. Spray, Pump
Test, Leak Test
Fluid pressure is below 1000
psi (7 MPa, 70 bar).
Increase main air regulator.
P4R Pressure high. Recirculation Pressure is above maximum
advisory limit of 3000 psi (21
MPa, 210 bar) on A side.
Decrease pump air regulator
pressure.
P5R Pressure high. Recirculation Pressure is above maximum
warning limit of 5200 psi (35.9
MPa, 359 bar) on A side.
Decrease pump air regulator
pressure.
P9A A pump pressure is abnor-
mally low compared to B
pump pressure.
Spray A air motor is icing up causing
restriction and lower fluid pres-
sure.
Open the air motor de-ice bleed
air controls. Allow ice to melt.
Dry compressed air. Heat com-
pressed air.
Use a smaller tip.
A pump is binding. Repair lower. See manual
313289.
A motor is hanging up. Repair air motor. See manual
313289.
P9B B pump pressure is abnor-
mally low compared to A
pump pressure.
Spray B air motor is icing up causing
restriction and lower fluid pres-
sure.
Open the air motor de-ice bleed
air controls. Allow ice to melt.
Dry compressed air. Heat com-
pressed air.
Use a smaller tip.
B pump is binding. Repair lower. See manual
313289.
Alarm
Code Alarm Problem When Active Cause Solution

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Graco XM Series Specifications

General IconGeneral
BrandGraco
ModelXM Series
CategoryPaint Sprayer
LanguageEnglish

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