DeWalt D55171 Guide D'utilisation page 18

CODe POssIBle CAuse
4 Defective air tank
5 Leaking seals
6 Defective safety valve
7 Regulator is not adjusted correctly for accessory
being used
8 Prolonged excessive use of air
9 Compressor is not large enough for accessory
10 Hole in air hose
11 Check valve restricted
12 Air leaks
13 Regulator is damaged
14 Motor overload protection switch has tripped
POssIBle sOlutIOn
Air tank must be replaced. Do not repair the leak.
WARNING: Risk of bursting. Do not drill into, weld or otherwise
modify air tank or it will weaken. The air tank can rupture or
explode.
Contact a D WALT factory service center or a D
e
rized service center.
Operate safety valve manually by pulling on ring. If valve still
leaks, it must be replaced.
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.
Decrease amount of air usage.
Check the accessory air requirement. If it is higher than the
CFM or pressure supplied by your air compressor, a larger com-
pressor is needed to operate accessory.
Replace air hose.
Remove, clean or replace.
Tighten fittings.
Replace.
Refer to Motor Overload Protection under Features. If motor
overload protection trips frequently, contact a D
service center or a D WALT authorized service center.
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WALT autho-
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WALT factory
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