DeWalt D55151 Guide D'utilisation page 21

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 Unit operating in damp or humid conditions
15 Restricted air intake filter
16 Pump oil is low
POSSIBLE SOLUTION
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.
Contact a D WALT factory service center or a D
e
authorized 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 acces-
sory 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
SCFM or pressure supplied by your air compressor, a larger
compressor is needed to operate accessory.
Replace air hose.
Remove, clean or replace.
Tighten fittings.
Replace.
Move unit to a dry well ventilated area
Clean or replace air intake filter
Add same type of oil in crankcase to pump. See Compressor
Pump Oil under Maintenance.
21
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