19
English
(
Troubleshooting Codes
cont.)
CODE
POSSIBLE CAUSE
POSSIBLE SOLUTION
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 cleaning
solution.
20
Chemical too thick.
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 service center.