Monaco Executive 2005 - Water Pump Troubleshooting

Section 6 --- Water Systems
The Executive 2005
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The water pump can be operated from the following locations:
• Bathroom/Vanity
• Galley
• Service Center
To turn the water pump on or off:
• Momentarily press the water pump switch. The indicator lamp will illuminate when
the water pump is turned on.
CAUTION:
Do not continue water pump operation if the fresh water holding tank is
empty. Damage to the water pump or electrical supply system may result.
Using the water pump to pressurize the fresh water system after removal from storage:
• Close all drain valves and low point drains.
• Fill the fresh water tank.
• Open the hot and cold water valves of each faucet.
• Turn the water pump on. Wait for the water lines to fill.
• Close each faucet when it delivers a steady stream of water (cold first).
Water Pump Troubleshooting
Vibration induced by road conditions can cause the plumbing or pump hardware to loosen. Check the
water pump system for components that are loose. Many symptoms can be resolved by tightening the
hardware. Check the following items:
Water pump will not start or blows the fuse:
• Check the electrical connections at the water pump, located in the curbside water bay, fuse or
breaker, water pump switch and ground connection.
• Check the electrical connections at the latching controller.
• Is voltage present at the pump? If voltage is present, the pressure switch may be faulty.
• Is the latching controller grounding the water pump?
• Check the charging system for correct voltage and good ground.
• Check for an open or grounded circuit or motor.
• Check for a seized or locked diaphragm assembly (water frozen).
Water pump will not prime or sputters (No discharge/motor runs):
• Is the pump inlet strainer clogged with debris?
• Is there water in the tank, or has air collected in the water heater?
• Is the inlet tubing and plumbing sucking in air at plumbing connections (vacuum leak)?
• Check for proper voltage with the pump operating.
• Check the pump housing for cracks or loose drive assembly screws.
080335c
Water
Pump