DeWalt D55140 Instruction Manual page 16

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
otherwise modify air tank or it will weaken. The air tank can
rupture or explode.
5 Leaking seals Contact a DEWALT fact0ry Service center or a DEWALT
author zed serv ce 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 it is n0rmal for Some pressuie drop to 0CCur When an acCes_
use_d sory is used, adjust the iegulat0r as instiucted n RegulatOr
i uncierFeatures f pressure drop s excessve:
! NOTE:AdJust the regulated pressure under flow conditions
while accessory is being used.
8 Prolonged excessive use of air Decrease amount of air usage.
'Compressor isnot !arge enough for accessory Check the aCceSS0iY air requiremenL if it is higher than
I the CFM or pressure supplied by your air €0mpressor, a
. larger compressor is
needed to operate accessory.
10 Hole in air hose Replace air hose.
11 Check valve restricted Remove; clean or replacel
12 Air leaks Tighten fittings.
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14 Motor overload protection switch has tripped See Motor Overload under Features.
I
15 , Extension cord is wrong length or gauge Check for proper gauge wire and cord length. See
Extension Oords under lnstallationl
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