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EN
Symptom Possible Cause(s) Corrective Action
Motor does not run 1. Fuse blown 1. Inspect fuse in fuse holder on
power cord. If blown, replace
2. Switch defective 2. Remove switch coverplate
and inspect switch. Replace,
if necessary
3. Switch or electrical
connections are faulty
3. Inspect for damaged fuse,
defective wiring or switch or
improper electrical connections.
Replace as needed and
reinstall
4. Circuit breaker tripped 4. Turn power off at source.
Inspect the pump thoroughly;
clean or repair. Reset circuit
breaker by turning the power
switch off then back on
5. Motor damaged 5. Replace pump
Motor runs but
does not pump
1. Motor running backwards
due to incorrect polarity
1. Connect red wire to positive
(+) ungrounded side of
battery. Motorshaft should turn
clockwise
2. Poor connections
or low voltage
2. Make sure electrical
connections are secure. Check
battery voltage
3. Fuel level low 3. Fill tank
4. Strainer clogged or
defective
4. Remove pump coverplate.
Remove and clean strainer.
Install again
5. System air leak 5. Tighten all pump fittings and
connections. Inspect suction
pipe for leaks or damage
6. Suction pipe clogged,
damaged or missing
6. Remove pump from tank.
Inspect suction pipe. Clean
or replace, as necessary
7. Gear coverplate or O-ring
damaged
7. Remove and inspect the
coverplate and O-ring.
Replace, as necessary. (see
Maintenance/Repair section)
8. Bypass poppet
O-ring worn or missing
8. Inspect O-ring (see
Maintenance/Repair section).
Replace, if necessary
9. Bypass poppet binding
or damaged
9. Remove the bypass poppet,
spring, and O-ring. Clean
cavity. Inspect and replace
components, if needed
TROUBLESHOOTING
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