DeWalt DPH3100 - Manual (Page 17)

17
English
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 D e WALT
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
initial use.
Squeeze gun trigger to relieve pres sure.
4 Choke lever in the NO CHOKE position. Move choke to the CHOKE po si tion.
5 Spark plug wire not attached. Attach spark plug wire.
6 Engine ON/OFF switch in OFF po si tion. Place engine ON/OFF switch in ON position.
7 Choke lever in the CHOKE position on a hot engine or an engine
that has been exposed to thermal heat for a long period of time.
Move choke to the NO CHOKE po si tion.
8 Fuel valve closed. Move the fuel valve lever to the OPEN position.