Troubleshooting Guide - DeWalt DW650LAG Instruction Manual

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
or your dealer.
Problem
Engine will not start ........................ 1,3,4,5,6,7,8,9,10,11,19
Engine does not continue to
run after starting ..................................... 1,3,5,6,9,10,12,19
Knocking noise ................................................................ 14
Over speed or low speed .................................. 15.16,17,18
Low power...................................................... 2,10,13,14,18
Code Possible Cause
1 Low or no fuel
2 Bad fuel
3 Low oil
4 On/Off switch is in
the OFF position
5 Choke in the wrong
position
WALT technician
e
Code
Possible solution
Add fuel
Drain fuel tank and replace with
fresh, clean, regular unleaded
gasoline with a minimum of
86 octane
Add oil
Place in ON position
Adjust choke accordingly
Code Possible Cause
6 Fuel valve in
CLOSED position
7 Low battery
(if equipped)
8 Faulty spark plug
9 Spark plug cap
loose
10 No or low
compression
11 No spark
13
Possible solution
Place in OPEN position
Charge the battery
Replace spark plug
Attach spark plug cap securely
Tighten spark plug. If problem
is not corrected, contact a
D WALT factory service center
e
or a D WALT authorized service
e
center.
Check spark plug wire. If
problem is not corrected, contact
a D WALT factory service center
e
or a D WALT authorized service
e
center.