Graco 395/490/495/595 Problem What to Check How to check, System see Pressure Relief

		Troubleshooting
Problem	What to Check		How to check
Sprayer does not run at all	See flow chart, page 38.
AND
Display is blank
OR
Control board status light never lights
Sprayer does not shut off	Control board.		Replace control board.
AND
Displays Code 02 message
OR
Control board status light blinks 2
times repeatedly
Sprayer does not run at all	Check transducer or transducer		Make sure there is no pressure in the
AND	connections		system (see Pressure Relief
			Procedure, page 13). Check fluid
Displays Code 02 message
			path for clogs, such as clogged filter.
OR			Use airless paint spray hose with no
Control board status light blinks 2			metal braid. A small hose or metal
			braid hose may result in
times repeatedly
			high-pressure spikes.
			Turn ON/OFF switch OFF and
			disconnect power to sprayer.
			Check transducer and connections to
			control board.
			Disconnect transducer from control
			board socket. Check that transducer
			and control board contacts are clean
			and secure.
			Reconnect transducer to control
			board socket. Connect power, turn
			ON/OFF switch ON and control knob
			1/2 turn clockwise. If sprayer does not
			run properly, turn ON/OFF switch
			OFF and go to next step.
			Install new transducer. Connect
			power, turn ON/OFF switch ON and
			control knob 1/2 turn clockwise.
			Replace control board if sprayer does
			not run properly.

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