Graco 312359J important safety instructions Adjust B Machine Outlet

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

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