6
EN
TROUBLESHOOTING
(
CONTINUED
)
Symptom Possible Cause(s) Corrective Action
Switch fails to operate
motor
1. Switch or electrical
connections faulty
1. Inspect for blown fuse,
defective wiring or switch,
or improper electrical
connections. Refer to Switch
Replacement instructions in
the Repair Section
2. Motor protector activated 2. Turn off switch. Allow motor
to cool, then turn on switch
3. Motor damaged 3. Replace pump
Overheating of motor 1. Duty cycle too long 1. Pump operation should not
exceed the standard duty
cycle of 30 minutes ON, and
30 minutes OFF. Allow the
pump to cool for 30 minutes
2. Running too long in
bypass mode
2. Limit bypass operation to
10 minutes
3. Strainer clogged 3. Remove strainer coverplate.
Remove and clean strainer.
Install again
4. Suction pipe clogged
or damaged
4. Remove pump from tank.
Inspect suction pipe. Clean or
replace, as necessary
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