DeWalt DXPW1200E, Instruction Manual

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CODE POSSIBLE CAUSE POSSIBLE SOLUTION
7 Leak at high-pressure hose fitting. Repair leak. Apply sealant tape if necessary.
8 Nozzle obstructed. See Nozzle Cleaning under Maintenance .
9 Water filter screen clogged. Remove and clean filter.
10 Air in hose. 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. Recon nect
water source to pump inlet and turn on wa ter source. Squeeze
trigger to re move re main ing air.
11 GFCI Plug is not reset Confirm the GFCI plug is reset and functioning according to
instructions provided in Ground-Fault Circuit Interrupter
Protection paragraph under Power Supply & Electrical info in
this manual.
12 High-pressure hose is too long. Use high-pressure hose under 100 feet (30.48 m). Lengthen
water supply hose instead of high-pressure hose.
13 Spray wand not in low pressure. See Spray Wand Nozzles under Operation.
14 Chemical filter clogged. Clean filter.
15 Chemical screen not in cleaning solution. Make sure end of chemical hose is fully submerged into
cleaning solution.
16 Chemical too thick. Dilute chemical. Chemical should be the same consistency as
water.
17 Worn seal or packing. Have parts cleaned or replaced by authorized service center.
18 Chemical build up in chemical injector. Have replaced by an authorized service center.
19 Worn or obstructed valves. Have replaced by authorized service center.
20 Worn unloader piston. Have replaced by authorized service center.
21 Worn or broken o-ring. Check and replace.
22 Loose hose connection. Tighten.
23 Piston packings worn. Have replaced by authorized service center.
24 Pump head or tubes damaged from freezing. Have replaced by authorized service center.