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English
Troubleshooting Codes
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
1 Pressure switch does not shut off motor when compres-
sor reaches cut-out pressure
Set the On/Off switch to OFF, if the unit does not shut off
contact a D
e
WALT factory service center or a D
e
WALT
authorized service center.
2
Pressure switch cut-out too high
Contact a D
e
WALT factory service center or a D
e
WALT
authorized service center.
3
Tube fittings are not tight enough Tighten fittings where air can be heard escaping. Check
fittings with soapy water solution. Do Not Overtighten.
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 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
Regulatorisnotadjustedcorrectlyforaccessorybeing
used
It is normal for some pressure drop to occur when an
accessoryis used,adjustthe regulatorasinstructed in
Regulator under Features if pressure drop is excessive.
NOTE: Adjustthe regulatedpressure underflow condi-
tions 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.