Self – service troubleshooting of the pressure washer will save you from expenses. Look at the typical breakages of this technique in the table and the reasons for their occurrence. Correct diagnostics will help to perform the repair with minimal costs for component parts.
| Problem | Cause | Correction |
|---|---|---|
| Pump has following problems: failure to produce pressure, erratic pressure, chattering, loss of pressure, low water volume. | 1. Low pressure spray tip installed. | 1. Replace with high pressure spray tip. |
| 2. Water inlet is blocked. | 2. Clear inlet. | |
| 3. Inadequate water supply. | 3. Provide adequate water flow. | |
| 4. Inlet hose is kinked or leaking. | 4. Straighten inlet hose, patch leak. | |
| 5. Clogged inlet hose screen. | 5. Check and clean inlet hose screen. | |
| 6. Water supply is over 100°F. | 6. Provide cooler water supply. | |
| 7. High pressure hose is blocked or leaks. | 7. Clear blocks in outlet hose. | |
| 8. Spray gun leaks. | 8. Replace spray gun. | |
| 9. Spray tip is obstructed. | 9. Clean spray tip. | |
| 10. Pump is faulty. | 10. Contact local service facility. | |
| Detergent falls to mix with spray. | 1. Detergent shut-off valve is in “Off” position. | 1. Rotate detergent shut-off valve to “On” position. |
| 2. High pressure spray tip installed. | 2. Replace with low pressure spray tip. | |
| Engine runs good at no-load but “bogs” when load is added. | Engine speed is too slow. | Move throttle control to FAST position. If engine still “bogs down”, contact local service facility. |
| Engine will not start; or starts and runs rough. | 1. Low oil level. | 1. Fill crankcase to proper level. |
| 2. Dirty air cleaner. | 2. Clean or replace air cleaner. | |
| 3. Out of fuel. | 3. Fill fuel tank. | |
| 4. Stale fuel. | 4. Drain fuel tank; fill with fresh fuel. | |
| 5. Spark plug wire not connected to spark plug. | 5. Connect wire to spark plug. | |
| 6. Bad spark plug. | 6. Replace spark plug. | |
| 7. Water in fuel. | 7. Drain fuel tank; fill with fresh fuel. | |
| 8. Excessively rich fuel mixture. | 8. Contact local service facility. | |
| Engine shuts down during operation. | Out of fuel. | Fill fuel tank. |
| Engine lacks power. | Dirty air filter. | Replace air filter. |