Graco 3A1705J important safety instructions Error Type Name Cause Solution Code Position

Troubleshooting
Error	Error	Type	Name	Cause	Solution
Code	Position
P7AX	MCM	ALARM	Pressure	Pressure difference	Ensure the material flow is
P7BX			Imbalance A High	between A and B material	equally restricted on both
			(P7AX)	is greater than the	material lines.
			Pressure	defined value.
				Pressure imbalance is	Ensure that the pressure
			Imbalance B High
			(P7BX)	defined too low.	imbalance value, on the
					System Setup screen, is at
					an acceptable maximum
					pressure to prevent
					unnecessary alarms and
					abort dispenses.
				Out of material.	Fill tanks with material.
				Fluid leaking from heater	Check if heater
				inlet rupture disk.	and PRESSURE
					RELIEF/SPRAY valve
					(SA or SB) are plugged.
					Clear. Replace rupture disk.
					Do not replace with a pipe
					plug.
				Feed system defective.	Check feed pump and hoses
					for blockage. Check that the
					feed pumps have the correct
					air pressure.
P0AX	MCM	ADVISORY	Pressure	See P7AX.
			Imbalance A High
P0BX	MCM	ADVISORY	Pressure	See P7BX.
			Imbalance B High
T1DE	Engine	ALARM	Low Temperature	Radiator fan will not stop.	Replace fan relay. See
	Heat		Coolant Outlet		system repair manual.
	Exchanger			Engine thermostat is	Replace thermostat. See
				stuck closed.	Perkins dealer.

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