DeWalt DXPW3025 Instruction Manual page 21

Troubleshooting Codes cont.)
CODE I POSSIBLE CAUSE I POSSIBLE SOLUTION
10 Low water supply. Water supply must be at least 5 GPM @ 20 psi (t 38 kPa).
11 Leak at high-pressure hose fitting• Repair leak. Apply sealant tape if necessary.
12 Nozzle obstructed. See Nozzle ¢leaning under Maintenance.
13 Water filter screen clogged• Remove and clean filter•
Turn off the engine; then the water source: Disconnect the
water sou[ce from the pump inlet and turn the water source
on to remove all air ifOh the hose: When there is a steady
stream of water present, turn water source off. Reconnect
watei source to pump inlet and turn on water source; Squeeze
• trigger to remove remaining air.
15 Choke lever in the CHOKE position• Move choke to the NO CHOKE position•
! 6 ,High_pressure hose is too long: Use high:p[essure hose under 100 feet (30_48 m), Lengthen
• water supply hose instead of high-pressure hose:
17 Spray wand not in low pressure• See Spray Wand Nozzles under Operation.
18 Chemical filter Clogged. Clean filter.
19 Chemical screen not in cleaning solution• Make sure end of chemical hose is fully submerged into cleaninc
solution•
20 , Chemica !too!hic k Dilute chemical: Chemical should be the same consistency as
• Water.
21 Worn seal or packing• Have parts cleaned or replaced by authorized service center•
22 Chemical build up in chemical injector. Have replaced by an authorized service center.
23 Worn or obstructed valves• Have replaced by authorized service center•
24 Worn unloader piston. Have replaced by authorized service center.
25 Worn or broken o-ring• Check and replace•
26 Loose hose connection. Tighten.
27 Piston packings worn. Have replaced by authorized service center•
28 Pump head or tubes damaged from freezing, Have replaced by authorized se_ice center.
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