Graco 313289s important safety instructions See Pump Assembly

				Alarms
Alarm
Code	Alarm Problem	When Active	Cause	Solution
P4A	Pressure high	Always	Fluid pressure is above maxi-	Decrease main air regulator or
P4B			mum.	feed pump pressure.
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	Always	No fluid or valve closed.	Refill supply and open inlet
DDB	than 3/4 of stroke.			valve.
			Material is too cold or thick.	Increase material temperature
				to reduce viscosity. (See Heat
				Fluid section in manual
				312359.) Shear material with
				agitation to reduce viscosity.
			Pump inlet check valve not	Clear debris from check valve.
			closing.	Or replace ball, seat, and seal.
				See Pump Assembly, page
				44.
			Feed pump not providing mate-	Check feed pump (if used).
			rial.
			Inlet strainer plugged (if used).	Check and clean strainer. See
				Pump Assembly, page 44.
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 Remove
				Displacement Pump, page 44.
			A motor is hanging up.	Repair air motor. See Remove
				Air Motor, page 45.
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 Remove
				Displacement Pump, page 44.
B3A	Dosing size A advisory	Spray	The fluid dosing size is greater	Adjust the B side fluid restric-
			than 35 cc when fast dosing is	tion.
			turned off.
			The fluid dosing size is greater	Decrease the air motor velocity
			than 20 cc when fast dosing is	with a smaller tip.
			turned on.

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