DeWalt DPD3100 Troubleshooting Guide, Troubleshooting Codes, Problem Code, Code Possible cause

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Troubleshooting Guide

This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified DeWALT technician or your dealer.

Problem		code
Engine will not start		1, 2, 3, 4, 5, 6, 7, 8, 29
(refer to the engine's instruction manual for further engine troubleshooting)
No or low pressure (initial use)		9, 10, 11, 12, 13, 14, 15, 16
Will not draw chemicals		16, 17, 18, 19, 20, 22
No or low pressure (after period of normal use)		21, 23, 24
Water leaking at gun/spray wand connection		25, 26
Water leaking at pump		25, 26, 27, 28
Pump Pulsates		12
	Troubleshooting Codes
Code	possible cause	POSSIBLE SOLUTION
1	No fuel.	Add fuel.
2	Low oil.	Add required amount of oil.
3	Pressure builds up after two pulls on the recoil starter or after	Squeeze gun trigger to relieve pressure­.
	initial use.
4	Choke lever in the No Choke position.	Move choke to the Choke posi­tion­.
5	Spark plug wire not attached.	Attach spark plug wire.
6	Engine ON/OFF switch in OFF posi­tion­.	Place engine ON/OFF switch in on position.
7	Choke lever in the Choke position on a hot engine or an engine	Move choke to the No Choke posi­tion­.
	that has been exposed to thermal heat for a long period of time.
8	Fuel valve closed.	Move the fuel valve lever to the Open position.
9	Spray wand not in high pressure.	See Spray Wand Nozzles under Operation.

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