Monterey M3 Owner's Manual page 162

Troubleshooting Guide
PROBLEM
ACCESSORY PROBLEMS
The bilge pump will not run when the manual
switch is activated.
VacuFlush Head will not flush.
VacuFlush Head vacuum pump runs more
frequently than it should.
Holding tank will not empty.
Excessive odor from marine head.
CAUSE AND SOLUTION
• The circuit breaker supplying the switch has tripped.
Replace or reset the circuit breaker.
• The battery switch is off. Turn on the battery switch
and bilge pump breaker.
• The pump impeller is jammed by debris. Clean pump
impeller housing.
• The wire connections in the bilge have corroded.
Replace connectors and secure above the bilge
waterline.
• The switch is defective. Replace the switch.
• The pump is defective. Replace pump.
• Electric head breaker is tripped. Turn on breaker.
• There is a vacuum leak at the flush valve or the waste
hose. Repair the leak.
• The holding tank is full and the sensor in the holding
tank has deactivated the vacuum pump. Pump out
the holding tank.
• There is a slight vacuum leak in the system. Find and
repair the leak.
• Overboard discharge valve in the bilge is closed. Open
discharge valve.
• Holding tank vent is clogged. Replace vent filter or
clean vent.
• There is a vacuum leak in the hose from the holding
tank to the deck pump out fitting.
fittings or replace damaged hoses.
• Back pressure in the holding tank. Pump out holding
tank or replace the vent filter.
• Waste is in the discharge hose. Flush enough to move
waste to the holding tank, particularly at the end of
each day.
• No deodorizer in the holding tank. Add deodorizer to
the holding tank each time it is pumped out.
• The waste in the tank is over two weeks old. Pump
the holding if it has contained waste for two weeks
or more.
MONTEREY
BOATS
Tighten loose
163