12V Diaphragm Water Pump - PRP-125
8
Troubleshooting
The following information may assist in identifying a problem and rectifying it.
NOTE
: Some procedures listed here may need to be performed by a qualified service technician.
Motor is operating, but pump is not discharging.
Possible Fault
Action
Restricted intake or discharge line
Open up all line valves and clear clogged lines.
Air leak in intake line
Check inlet tubes and connections and ensure they are air-tight.
Debris in the check valve
Clean obstructed or jammed check valves.
Ruptured pump diaphragm
Replace pump diaphragm.
Defective pump check valve
.Replace check valve.
Crack in pump housing
Replace pump head
Motor fails to turn ON.
Possible Fault
Action
Pump or equipment not plugged in
Connect the pump to the power source and ensure power is ON.
Loose wiring connection
Check electrical connections are clean and secure.
Pressure switch failure
Replace pressure switch.
Defective motor or rectifier
Replace pump motor.
Frozen cam/bearing
De-freeze the cam/bearing.
