DeWalt DPH3100 Guide D'utilisation page 19

(Troubleshooting Codes cont.)
coDe PossIBLe cause
25 Worn or broken o-ring.
26 Loose hose connection.
27 Piston packings worn.
28 Pump head or tubes damaged from freezing.
29 Air filter filled with oil.
PossIBLe soLutIon
Check and replace.
Tighten.
Have replaced by authorized service center.
Have replaced by authorized service center.
Clean air filter element. Refer to engine instruction manual for
correct procedure.
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