8
Pump suddenly quit
working
- Overheat protection starts
- Restart the pump until it's
cooling
- Power off - Turn on again
- Motor burns out - Disposal
- Switch burns out - Disposal
Pump vibrates and
operates noisily
- Air in the water inlet pipe
- Fix the inlet leakage and make
the pipes firmly connected
Pump head leakage
- Diaphragm broken.
- The screw of the pump head is loose.
- The bypass switch is loose.
- Pump pressure setting is too high.
- Pump head is damaged.
- Disposal
- Tighten the screw
- Tighten the screw
- Adjust the pressure switch.
- Disposal
Pressure switch burned out - Frequent on and off - Disposal
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