11
TROUBLESHOOTING GUIDE
This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or
maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified D
E
WALT technician
or your dealer.
Problem
Code
Compressor does not start or restart
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16,17,18,19,20,36
Unit does not or is slow to come up to speed
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3,8,11,12,14,15,20,21,22,24,25,31
Air compressor not making enough air
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1,3,7,8,9,10,11,21,24,25,28,29
Insufficient pressure at air tool or accessory
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1,3,7,8,9,10,11,21,24,25,27,28,29
High oil consumption.
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1,12,15,30,32
Unit runs excessively hot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Excessive starting and stopping
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7,20,21,24,25,29
Excessive noise during operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Moisture in discharge air
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34,35
Moisture in crankcase or "milky" appearance in petroleum lubricant or rusting in cylinders
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6,7,9,10,15,25,26,33,35
Oil in discharge air (oil pumping)
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2,6,8,9,10,11,15,31,32
Oil leaking from shaft seal
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12
Safety relief valve "pops"
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22,23
Air leaks at pump
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25
Air leaks at fittings
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25
Air leaks from tank
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26
Abnormal piston ring or cylinder wear
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2,4,5,6,9,10,11,13