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Problem
Air compressor won't start
in cold temperatures
Air compressor stalls
Overheating
Troubleshooting Codes
Code Possible Cause
1
Fittings are not tight.
2
Defective tank.
3
Leaking seals.
4
Defective safety valve.
Prolonged excessive
5
use of air.
Code
17,31,32
25,26,27
23,24,25,29,30
Possible Solution
Tighten fittings where air
can be heard escaping.
Check fittings with soapy
water solution. DO NOT
OVERTIGHTEN.
Tank must be replaced. Do
not repair the leak.
DANGER: Risk of bursting. Do
not drill into, weld or otherwise
modify tank or it will weaken. The
tank can rupture or explode.
Contact a D
WALT factory
E
service center or a D
WALT
E
authorized service center.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it must be replaced.
Decrease amount of air
usage.
Code Possible Cause
Air compressor is
6
not large enough for
accessory.
7
Hole in air hose.
Operating in damp or
8
humid conditions.
9
Restricted air intake filter. Clean or replace air intake filter.
10
Loose belt.
11
Loose pulley.
12
Loose flywheel.
Carbon build-up in
13
pump.
14
Belt too tight.
26
Possible Solution
Check the accessory
air requirement. If it is
higher than the SCFM or
pressure supplied by your
air compressor, a larger air
compressor is needed to
operate accessory.
Check air hose, replace if required.
Move unit to a dry, well
ventilated area.
Check belt tension, see
Adjusting Belt Tension under
Maintenance.
Tighten pulley set screw,
torque to 145-180 in.-lbs
(16.4-20.3 Nm).
Tighten flywheel screw, torque
to 20-24 ft-lbs (27-32 Nm).
Contact a D
WALT factory
E
service center or a D
WALT
E
authorized service center.
Check belt tension, see
Adjusting Belt Tension under
Maintenance.
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