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TROUBLESHOOTING
Symptom
Motor does not run
Motor runs but
doesn't pump
4
EN
Possible Cause(s)
1. Switch defective
2. Switch or electrical
connections are faulty
3. Auxiliary temperature
limiting device tripped
4. Motor burned out
1. Gear coverplate or
O-ring damaged
2. Strainer clogged or
defective
3. Suction pipe clogged,
damaged or missing
4. Bypass poppet O-ring
worn or missing
5. Bypass poppet
O-ring dirty
6. Bypass poppet is binding
or damaged
Corrective Action
1. Remove switch coverplate
and inspect switch. Replace,
if necessary.
2. Inspect for damaged motor
protector, defective wiring or
switch, or improper electrical
connections. Replace as
needed and reinstall.
3. Turn power off at source.
Inspect the pump thoroughly;
clean or repair. Reset device
by turning the power switch off.
Allow the pump to cool, then
turn power switch back on.
4. Replace motor (see
Maintenance / Repair section).
1. Remove and inspect the
coverplate and O-ring.
Replace as necessary. (see
Maintenance / Repair section).
2. Remove strainer coverplate.
Remove and clean strainer.
Install again.
3. Remove pump from tank.
Inspect suction pipe. Clean
or replace as necessary.
4. Inspect O-ring (see
Maintenance / Repair section).
Replace if necessary.
5. Remove poppet assembly
and clean poppet and cavity.
6. Remove the bypass poppet,
spring and O-ring. Clean
cavity. Inspect and replace
components if needed.
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