DeWalt D55168, Instruction Manual

Page: 18 / 64

18
English
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
4 Defective air tank Air tank must be replaced. Do not repair the leak.
WARNING: Risk of bursting. Do not drill into, weld or other-
wise modify air tank or it will weaken. The air tank can rupture or
explode.
5 Leaking seals Contact a D
E
WALT factory service center or a D
E
WALT authorized
service center.
6 Defective safety valve Operate safety valve manually by pulling on ring. If valve still leaks,
it must be replaced.
7 Regulator is not adjusted correctly for accessory
being used It is normal for some pressure drop to occur when an accessory
is used, adjust the regulator as instructed in
Regulator under
Features if pressure drop is excessive.
NOTE: Adjust the regulated pressure under flow conditions while
accessory is being used.
8 Prolonged excessive use of air Decrease amount of air usage.
9 Compressor is not large enough for accessory Check the accessory air requirement. If it is higher than the CFM
or pressure supplied by your air compressor, a larger compressor
is needed to operate accessory.
10 Hole in air hose Replace air hose.
11 Check valve restricted Remove, clean or replace.
12 Air leaks Tighten fittings.
13 Regulator is damaged Replace.
14 Motor overload protection switch has tripped Refer to Motor Overload Protection under Features . If motor over-
load protection trips frequently, contact a D
E
WALT factory service
center or a D
E
WALT authorized service center.