18
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.
9
Spray wand not in high pressure.
See
spray Wand nozzles
under Operation.
