22
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
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 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.