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Old 09-17-2021, 11:20 AM   #1
Join Date: Sep 2021
Posts: 1
Angry Water system not working on 2400 scr

Hi there
Iíve bought the maxum 2400 scr this week, itís a 1999 model and Iím just going around it at present trying to get to grips with how everything works.
I cannot get any water to run and fear it may be the pump but you guys might know something I donít. Iíve filled the water tank, Iíve turned on the red switch labelled water in the cabin, Iíve tried turning the water heater on but nothing is working. No water running what do ever. Can anyone advise me on what I might have missed or what the issue could be?

Many thanks

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Old 09-17-2021, 12:23 PM   #2
donald's Avatar
Join Date: Jun 2016
Location: Mn.
Posts: 534

If pump is not working do not turn on water heater as you will damage the heating element.
Ck all fuses under helm.

1995 Maxum 2400 SCR 5.7 A1 G2 LUNA DE MIEL
1988 Bayliner 2455 5.0 IO (sold)
1987 Seaswerl 18ft C. Cabin 4.3 IO(lost in fire)
1976 16ft. Tahiti 2.5 IO (sold)
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Old 09-17-2021, 12:27 PM   #3
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Join Date: Feb 2012
Location: Essex, Maryland
Posts: 9,088

The water pump should be in the engine compartment on the forward bulkhead, do you hear it running? Try disconnecting the output hose to see if water comes out. Verify there is 12V at the pump.
1997 2400 SCR
5.7 Vortec / Bravo 2

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Old 09-17-2021, 02:56 PM   #4
Lt. Commander
Join Date: Jul 2019
Posts: 165

What Donald and Mike advised plus after verifying the fuses are good I would check voltage at the switch. The switch could be bad or in my case the previous owner of the boat wired the fresh water pump to a different switch.

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Old 09-20-2021, 02:56 PM   #5

Join Date: Apr 2008
Posts: 5,186

Is the battery switch on? The pressure sure pump (water pump) is 12volt (DC) and runs off of the batteries. The battery charger runs off of 120volt (AC) and runs off of the shore power. The water heater is also 120volt (AC) and only runs off of shorepower.
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maxum 2400 scr, water not working

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