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TROUBLESHOOTING ( CONTINUED )
SYMPTOM
E. Switch fails to
operate motor
F. Overheating of motor 1. Duty cycle too long
G. Fuel Leakage
6
EN
POSSIBLE CAUSE ( S )
1. Switch mechanism
damaged
2. Wiring defective
3. Duty cycle elapsed /
overheated
4. Motor damaged
2. Running too long in
bypass mode
3. Failing capacitor
1. Threaded joints loose
2. Insufficient bolt torque
3. Lost or damaged O-ring
4. Shaft seal worn or
damaged
5. Hose damaged
CORRECTIVE ACTION
1. Replace switch and/or
Junction Cover.
2. Use Wiring instructions in the
Installation Section to ensure
proper connections.
3. See symptom F.
4. Replace pump.
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. Limit bypass operation to 10
minutes.
3. Replace capacitor.
1. Check and reseal threaded
joints.
2. Tighten bolts.
3. Check O-rings for damage.
Replace as needed.
4. Fuel leaking from weep hole
indicates shaft seal needs to
be replaced.
5. Replace hose.
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