PRESSURE WASHER Troubleshooting Guide
16
TROUBLESHOOTING
PROBLEM | POSSIBLE CAUSE | SOLUTION | |
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BURNER WILL NOT | Burner nozzle is clogged | Clean as required. | |
LIGHT (continued |
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Thermostat has malfunctioned | Test and replace if needed. | ||
from previous page) | |||
Fuel solenoid has malfunctioned | Test and replace if needed. | ||
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MACHINE SMOKES | Fuel is improper or water is in fuel | Drain tank and replace contaminated fuel. | |
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| Air adjustment is improper | Readjust air bands on burner assembly. | |
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| Fuel pressure is low | Adjust fuel pump pressure to specifications. | |
| Burner nozzle is plugged or dirty | Replace nozzle. Check parts breakdown for | |
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| nozzle size. | |
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| Burner nozzle spray pattern is faulty | Replace nozzle. Check parts breakdown for | |
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| nozzle size. | |
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| Coil and burner assembly have heavy | Remove coils and burner assembly, clean | |
| accumulation of soot | thoroughly. Call local dealer. | |
| Electrode setting is misaligned | Realign electrodes to specifications. | |
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| Smoke stack has obstruction | Check for blockage or other foreign objects. | |
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| Engine RPM is low | Increase RPM to correct specs. See serial | |
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| plate. | |
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LOW WATER | Fuel is improper or has water in it | Replace with clean and proper fuel. | |
TEMPERATURE |
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Fuel pressure is low | Increase fuel pressure. | ||
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| Fuel pump is weak | Check fuel pump pressure. Replace pump if | |
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| needed. | |
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| Fuel filter is partially clogged | Replace as needed. | |
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| Soot buildup on coils is not allowing | Clean coils. | |
| heat transfer |
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| Burner nozzle is improper | Call your local dealer for proper nozzle. | |
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WATER | Incoming water to machine is warm | Lower incoming water temperature. | |
TEMPERATURE | or hot |
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TOO HOT | Fuel pump pressure is too high | Call your local dealer for proper fuel pres- | |
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| sure. | |
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| Fuel pump is defective | Replace fuel pump. | |
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| Fuel nozzle is incorrect size | See parts breakdown or serial plate for | |
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| proper size. | |
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| Water supplied is insufficient | Check water GPM to machine. | |
| Water flow is restricted | Check nozzle for obstruction and proper | |
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| size. Check serial plate for correct size. | |
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PRESENCE OF | Oil seal is worn | Check and replace if necessary. | |
WATER IN OIL |
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Air humidity is high | Check and change oil twice as often. | ||
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| Packing is worn or bad | Check and replace if necessary. | |
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