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Old 08-29-2012, 07:02 PM   #1
retired USA/USAF

2001 30' Excella
Somerset , New Jersey
Join Date: Jan 2009
Posts: 2,020
Troubleshooting the 120v side of the water heater

I'm not sure if the water heater in our '01 Excella is working on the 120v side and would appreciate some guidance on troubleshooting it ??? There is a fuse visable when you look inside the access panel and that was my first thing to check so it's OK. Not sure where to go from there. I'm on the road at the time and will take a closer look at it when we get home.

Thanks all. Didn't see any AS's today while on the road through Iowa, Illinois and into Indiana. Where are you all ????

Roger in NJ

" Democracy is the worst form of government. Except for all the rest"
Winston Churchill 1948

TAC - NJ 18

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Old 08-29-2012, 07:39 PM   #2
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1977 Argosy 24
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Milltown , Wisconsin
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Are you sure it is a 120 volt ac water heater? The reason I ask is most RV water heaters are propane only, unless you converted it or ordered it that way.

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Old 08-29-2012, 07:51 PM   #3
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Naples, FL , Hood River, OR
Join Date: Dec 2005
Posts: 6,796
For informational purposes:

The heater model is a GC6AA-9E

Electronic Models
Electronic Ignition Version Type of heating element
(GC_ A - _ _ = bolt on, GC_ A A-_ _ = screw in) Gallon capacity (6 or 10) H =Engine heat exchange/ Combination gas and 110VAC electric
Propane Gas

His is a gas/electric combination unit but does not have the heat exchange option.
Lew Farber...RVIA Certified Master Tech...ABYC Certified Master Marine Electrician
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Old 02-28-2013, 08:22 AM   #4
2 Rivet Member
2004 28' Safari S/O
Zavalla , Texas Airstream Harbor
Join Date: Dec 2006
Posts: 69
Hot water heater woes

The electronic thermostat that is on eht side of the water tank appears to be bad that feeds the electricity to the heating element. Anyone suggest a way to test or check it?
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Old 02-28-2013, 01:14 PM   #5
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1974 Argosy 26
Morrill , Nebraska
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If you have access to the terminals or where the wires terminate. Check for power. The device is probably 2 wires. One will be the power in, the other will be the power to the heating element.
If this is the case you will need to put one lead of the meter on the neutral. Then check for power in and out with the other lead.
You could also check at the terminals at the heating element.
If you are not comfortable working with 120 volts AC, get help.
Knowledge: "A gift to be shared. A treasure to receive."
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Old 02-28-2013, 07:41 PM   #6
2 Rivet Member
2004 28' Safari S/O
Zavalla , Texas Airstream Harbor
Join Date: Dec 2006
Posts: 69
Thanks for the tip. Got it figured out earlier had a reset on the device. Working fine. Appreciate the help

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