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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 DEWALT technician or your dealer.
Problem | Code |
Compressor does not start or restart | 16,17,18,19,20,36 |
Unit does not or is slow to come up to speed | 3,8,11,12,14,15,20,21,22,24,25,31 |
Air compressor not making enough air | 1,3,7,8,9,10,11,21,24,25,28,29 |
Insufficient pressure at air tool or accessory | 1,3,7,8,9,10,11,21,24,25,27,28,29 |
High oil consumption | 2,6,9,10,11,12,15,30,32 |
Unit runs excessively hot | 1,2,4,5,10,11,12,13,15,19,30 |
Excessive starting and stopping | 7,20,21,24,25,29 |
Excessive noise during operation | 2,3,4,5,8,9,10,11,12,15,25,29,30,31 |
Moisture in discharge air | 34,35 |
Moisture in crankcase or "milky" appearance in petroleum lubricant or rusting in cylinders | 6,7,9,10,15,25,26,33,35 |
Oil in discharge air (oil pumping) | 2,6,8,9,10,11,15,31,32 |
Oil leaking from shaft seal | 12 |
Safety relief valve "pops" | 22,23 |
Air leaks at pump | 24,25 |
Air leaks at fittings | 25 |
Air leaks from tank | 26 |
Abnormal piston ring or cylinder wear | 2,4,5,6,9,10,11,13 |
12