DeWalt DPD3100 instruction manual Troubleshooting Codes

(Troubleshooting Codes cont.)

Code possible cause

10Low water supply.

11Leak at high-pressure hose fitting.

12Nozzle obstructed.

13Water filter screen clogged.

14Air in hose.

15Choke lever in the Choke position.

16High-pressure hose is too long.

17Spray wand not in low pressure.

18Chemical filter clogged.

19Chemical screen not in cleaning solution.

20Chemical too thick.

21Worn seal or packing.

22Chemical build up in chemical injector.

23Worn or obstructed valves.

24Worn unloader piston.

25Worn or broken o-ring.

POSSIBLE SOLUTION

Water supply must be at least 5 GPM @ 20 PSI (138 kPa).

Repair leak. Apply sealant tape if necessary.

See Nozzle Cleaning under Maintenance.

Remove and clean filter.

Turn off the engine, then the water source. Disconnect the water source from the pump inlet and turn the water source on to remove all air from the hose. When there is a steady stream of water present, turn water source off. Reconnect­ water source to pump inlet and turn on water­ source. Squeeze trigger to remove­ remain­ing­ air.

Move choke to the No Choke posi­tion­.

Use high-pressure hose under 100 feet (30.48 m). Lengthen water supply hose instead of high-pressure hose.

See Spray Wand Nozzles under Operation.

Clean filter.

Make sure end of chemical hose is fully submerged into cleaning solution.

Dilute chemical. Chemical should be the same consistency as water.

Have parts cleaned or replaced by authorized service center.

Have replaced by an authorized service center.

Have replaced by authorized service center.

Have replaced by authorized service center.

Check and replace.

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