Sometimes pressure washers can break down due to improper operation and you will have to ask for help to the master for repair. But you can try to repair the fault within a short period your own resources with the help of the troubleshooting.
North Star 157596 pressure washer troubleshooting
| SYMPTOMS | CAUSES | REMEDIES |
|---|---|---|
| The water pump will not start | The motor thermic protection is open | Check the mains voltage (+/- 5% tolerance). Check the phases in the plug are connected well. |
| The machine is not going in TOTAL STOP mode (unit in by-pass) | The no-return valve does not seal | Replace the valve or the gasket and check the pressure valve body wear. |
| Leakage from the water system of the gun | Eliminate the leaks | |
| The water pump does not reach maximum pressure | Nozzle worn | Replace the nozzle |
| Pressure ball or adjustment housing worn or spring broken | Replace the faulty part | |
| Pressure valve gaskets worn | Replace the valve gaskets | |
| Pistons seal gasket worn | Replace the gaskets | |
| Nozzle holding head in position low pressure | Turn the head on high pressure | |
| Strong vibrations on the water pump | Water supply insufficient Alien matter under a check valve | Check the water supply flow and the relative pressure (2+10) |
| Check the water filter and clean it if necessary | ||
| Prime the pump without the lance Check the valves, clean and reassemble | ||
| The burner will not start | Diesel filter blocked Diesel nozzle blocked Worn or broken electrodes The pressure switch remains open | Clean the filter Clean the filter Replace the electrodes Replace the pressure switch |
| Anormal noise of Diesel pump | Low diesel | Fill diesel tank or work on cold wal |
| No detergent suction | High viscosity of the employed detergent | Further dilute the detergent Clean the filter |
| Detergent filter blocked |
North Star M157309M.1 pressure washer troubleshooting
| SYMPTOMS | CAUSES | REMEDIES |
|---|---|---|
| Engine Will Not Start | Low Oil Shutdown | Fill engine with the adequate amount of oil. |
| Cold Engine | Choke engine to start. | |
| No Fuel | Add gas to engine, make sure fuel shutoff valve is open. | |
| Dead Battery | Recharge/Replace battery. | |
| Spark plug wire not attached | Attach spark plug wire to spark plug. | |
| Pressure Washer Runs But Burner Doesn’t Fire | I leat switch turned OFF | Turn heat switch ON. |
| Thermostat set too low or off | Set thermostat to desired temp. | |
| Fuel tank empty | Fill fuel tank with kerosene, diesel or fuel oil. | |
| Dead battery or no battery | Install, recharge or replace battery | |
| Defective Burner | Call Product Support. | |
| Pressure Washer Runs But No Pressure | Partially clogged or damaged nozzle | Clean or replace nozzle. |
| Low water flow | Make sure the water supply is more than 2.5 gpm. | |
| Pressure Washer Surges Or Cycles While In Bypass | Leak between unloader and gun. | Check all connections between unloader and gun for leaks. Tighten loose components and replace damaged components. |
| Gun leaking internally | Replace spray gun. | |
| Smoke From Heat Exchanger | Engine not at full throttle | Throttle engine all the way up. |
| Air band not adjusted properly | Adjust the air band until the burner bums cleanly. See Installation Instructions | |
| Poor quality fuel | Use kerosene for the cleanest bum. | |
| Water Not Heating Sufficiently | Scale build-up in coil | See Coil Descaling under Maintenance Instructions. |
| Coil is full of soot | See Coil Desooting under Maintenance Instructions. | |
| Poor Or No Detergent Supply | Inadequate detergent supply | Refill detergent container. Make sure chemical strainer is fully submerged. |
| High pressure hose too long | Use less hose. Move machine closer to the work. | |
| Chemical strainer or injector clogged | Clean the strainer and injector. Always start with a clean detergent container. Run clean water through the injector after each use. |
North Star M157305G pressure washer troubleshooting
| SYMPTOMS | CAUSES | REMEDIES |
|---|---|---|
| Pressure Washer Will Not Run – No Power | Machine not plugged in | Plug machine in |
| GFCI tripped | Make sure machine is dry Press RESET on the GFCI | |
| Machine turned OFF | Turn Pump switch ON | |
| Line circuit breaker tripped | Check for tripped circuit breaker in building | |
| Circuit Breaker Trips During Operation | Voltage too low | Check the voltage |
| Circuit Breaker Overloaded | Make sure to use NEMA specified receptacle | |
| Make sure there is no other equipment using the same circuit – see Specifications | ||
| Pressure set too high | Check/adjust pressure setting on unloader | |
| Pressure Washer Runs But No Pressure | Partially clogged or damaged nozzle | Clean or replace nozzle |
| Low water flow | Make sure the water supply is more than the required flow | |
| Pressure Washer Surges Or Cycles While In Bypass | Leak between pump and gun | Check all connections between pump and gun for leaks Tighten loose components and replace damaged components |
| Gun leaking internally | Replace spray gun | |
| Smoke From Heat Exchanger | Air band not adjusted properly due to different elevation | Adjust the air band until the burner burns cleanly. |
| Poor quality fuel | Use Kerosene for the cleanest bum | |
| Water Not Heating Sufficiently | Scale build-up in coil | |
| Coil is full of soot | ||
| Poor Or No Detergent Supply | Inadequate detergent supply | Refill detergent container |
| Make sure the chemical strainer is fully submerged | ||
| High pressure hose too long | Use less hose | |
| Move machine closer to the work | ||
| Chemical strainer or injector clogged | Clean the strainer and injector. Always start with a clean detergent container. Run clean water through the injector after each use. |