MONTGOMERY BOATS 340 SPORT YACHT, Owner'S Manual

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MONTEREY
BOATS
Troubleshooting Guide
PROBLEM CAUSE AND SOLUTION
ACCESSORY PROBLEMS
The air conditioner runs for a short time &
then cuts out.
The carbon monoxide detector sounds the
alarm when the engines are running.
The fresh water pump runs, but will not
pump water.
The freshwater pump breaker is on, but the
pump fails to run.
The fresh water pump fails to turn off after
all outlets are closed.
• The air conditioner pump sea strainer is clogged.
Clean the strainer.
• The raw water supply thru-hull valve is closed. Open
the valve.
• The raw water system is air-bound. Make sure the
thru hull valve is open and run the boat above 15
m.p.h. The speed scoop on the thru hull fitting will
force the air lock out of the system.
• The air conditioner raw water pump is not pumping
and needs to be repaired or replaced.
• The canvas curtains are up and none of the forward
facing vents are open, allowing carbon monoxide to
accumulate in the cockpit and cabin. Open the deck
hatch, windshield vents and side curtains to provide
proper ventilation.
• The carbon monoxide detector is defective and needs
to be calibrated by the manufacturer or replaced.
Have the boat checked by a professional before con-
demning the CO monitor.
• The water tank is empty. Fill the tank.
• The in-line strainer for the pump is clogged. Clean
the strainer.
• The intake hose is damaged and sucking air. Replace
or repair the hose.
• The pump is defective. Repair or replace the
pump.
• There is a loose or corroded wiring connection. Find
and repair the bad connection
• The fuse or circuit breaker supplying current to the
pump is blown or defective. Reset or repair fuse or
breaker.
• The thermal breaker on the pump is tripped. Repair
or replace pump.
• The pressure switch on the pump has failed. Replace
the pressure switch.
• The pump is defective. Repair or replace the
pump.
• There is a leak in a pressure line or outlet. Repair
the leak.
• There is an air leak in the intake line. Repair the air
leak.
• The pressure switch is defective. Replace the pressure
switch.
• The voltage to the pump is low. Check for corroded
or loose wiring connections or low battery.
• The strainer is clogged. Clean strainer.
• The pump is defective. Repair or replace the
pump.