TROUBLESHOOTING
PROBLEM | POSSIBLE CAUSE | SOLUTION |
LOW WATER | Improper fuel or water in fuel | Drain fuel tank and replace with proper fuel. |
TEMPERATURE | Low fuel pressure | Increase fuel pressure. |
| ||
| Weak fuel pump | Check fuel pump temperature. Replace pump |
|
| if needed. |
| Fuel filter partially clogged | Replace as needed. |
| Soot build up on coils | Clean coils with soot remover. |
| Lime build up on coils | Clean inside of coils usings coil cleaner. |
| Improper burner nozzle | See Burner Specifications. |
WATER | Incoming water to machine warm or | Lower incoming water temperature. |
TEMPERATURE | hot |
|
TOO HOT | Fuel pump pressure too high | Lower fuel pressure. |
| ||
| Fuel pump defective | Replace fuel pump. |
| Detergent line sucking air | Tighten all clamps. Check detergent line for |
|
| holes. |
| Defective high limit switch (thermostat) | Replace. |
| Incorrect fuel nozzle size | See Burner Specifications. |
| Insufficient water supplied | Check GPM to machine. |
| Restricted water flow | Check nozzle for obstruction, proper size. |
|
|
|
PRESSURE WASHER Troubleshooting Guide
15
