BILGE & DRAINAGE SYSTEM
DIAGNOSTIC CHART
Problem Possible Cause
Bilge Pump Not Functioning
Automatically
Float switch jammed - check for debris
Automatic bilge pump fuse blown -
investigate why the equipment was
drawing too much current or why it had a
circuit short
Battery connection corroded
Impeller is damaged or blocked by debris
Bad bilge pump motor
Bilge pump discharge hose blocked
Bilge Pump Not Functioning
Manually
Battery switch turned off
Bilge pump dashboard fuse blown -
investigate why the equipment was
drawing too much current or why it had a
circuit short
Battery connection corroded
Bad bilge pump switch
Impeller is damaged or blocked by debris
Bad bilge pump motor
Bilge pump discharge hose blocked
8-7
Troubleshooting
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