DeWalt DUMP 0-/2 Instruction Manual page 21

(Troubleshooting Codes cont.)
coDe PossIBLe cause
30 Loose drain plug.
31 Worn drain plug O-ring
32 Worn fill plug O-ring.
33 Pump overfilled.
34 Incorrect oil used.
35 Vent plug is clogged.
36 Air filter filled with oil.
PossIBLe soLutIon
Tighten.
Check and replace.
Check and replace.
Check for correct amount.
Drain and fill with correct amount and type of oil.
Clean vent plug; blow air through it to remove any blockage. If prob-
lem per sists, replace plug.
Clean air filter element. Refer to engine instruction manual for
correct procedure.
21