Troubleshooting 6
For parts or assistance, call Master Plumber Customer Service at 1-800-628-9439
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Motor will not run Fuse is blown or circuit breaker tripped DISCONNECT POWER; Replace fuse or reset circuit breaker.
Motor runs hot and Voltage is too low Check voltage being supplied to the pump.
the overload kicks
off or the does not
run and only hums.
Motor runs but no Pump during new installation did In new installation:
water is delivered* not pick up prime through:
1. Improper priming 1. Re-prime according to instructions.
2. Air leaks 2. Check all connections on suction line, with soapy water or
shaving cream.
3. Leaking foot valve 3. Replace foot valve.
4. Pipe size is too small 4. Re-pipe using size of suction and discharge ports on pump.
Pump has lost prime through: In installation already in use:
1. Air leaks 1. Check all connections on suction line and shaft seal with soapy water.
2. Water level below suction pipe inlet 2. Lower suction line into water and re-prime. If receding water level
in well exceeds 25’ (7.6M), a deep well pump is needed.
Impeller is plugged Clean impeller.
Foot valve is stuck shut Replace the foot valve.
Pipes are frozen Thaw pipes.
Foot valve and/or strainer are Raise the foot valve and/or strainer above bottom of water source.
buried in sand or mud Clean foot valve and strainer.
*Pump does not Water being pumped is lower than A deep well jet will may needed if the water being pumped is more than
deliver water to full estimated 25’ (7.6M) depth to water.
capacity
Steel piping (if used) is corroded or Replace with plastic pipe where possible, otherwise with new steel pipe.
limed, causing excess friction
Piping is too small in size Re-pipe using size of suction and discharge ports on pump.
Pump not being supplied with Add additional well points.
enough water
* (Note: Stop pump;
then check prime
before looking
for
other causes.
Unscrew
priming plug
and see if water is in
priming hole).
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