Troubleshooting for piston pumps used in Mytee equipment.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump runs but there is no spray | Tank is empty. | Fill tank. |
| Blockage or kink somewhere in the line. | See chart below to diagnose the location of the blockage. | |
| Pump valves are clogged or damaged. | Examine valves and clean or replace. 500 and 1,200 PSI valve repair kit | |
| Pump has lost prime. | Follow priming procedure. | |
| Low pressure | Nozzle is worn. | Replace nozzle with new one of same size. |
Leak in high pressure hose or connections. | Check hose or connections, replace as needed. | |
| Filter is clogged. | Clean filter. | |
| Pump valves are clogged or damaged. | Examine valves and clean or replace. 500 and 1,200 PSI valve repair kit | |
| Pump pulsates when spraying | Filter is clogged. | Clean filter. |
| Pump valves are clogged or damaged. | Examine valves and clean or replace. 500 and 1,200 PSI valve repair kit | |
| Motor does not operate or stops operating | Blown circuit breaker. | Replace circuit breaker. Check circuit for wire damage or component damage. |
| Motor over heated and thermal protection breaker activated. | Let the motor cool down and press the red breaker button on the back of the pump. | |
| Leaks seen under pump | Pump seals are worn. | Replace with new plunger and seals. |
Troubleshooting Chart
If there is no spray coming from your pump when it runs, consult this troubleshooting chart to find a solution.
