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Old 01-30-2017, 08:00 AM   #1
Junior Member
Join Date: Oct 2015
Posts: 21
Heat problem

Greetings all, the wife and I have a 2015 Itasca Ellipse Ultra, and really like it. We have plans to trade to a Newmar, but just can't make our minds up. We went to the Tampa show and answered our current questions but came up with twice aas many more!!

But in the mean time we developed another problem and we can't get to the service center for another month. The heat in the guest and master bath does not blow hot air, only cold. I've tried running the diesel aqua hot and the electric aqua hot independent of each other as well as together and no joy.

The heat in the living area works fine. We are managing to keep everything comfortable using the fireplace to compensate. If anyone has had similar problems and know of quick and easy things to check, please let us know.


Brent & Jennifer
2015 Itasca Ellipse Ultra
2015 Work & Play Catalyst Toy Hauler
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Old 01-30-2017, 08:29 AM   #2
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Join Date: Jun 2014
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Posts: 910
First - check to insure your Aqua Hot (AH) reservoir is full of fluid (not the hot and cold indicators). Then look at the AH indicator lights next to the reservoir and note any that are dark or red (your manual will lead you through the meanings). If nothing is indicated or the manual doesn't lead to a fix, then shut down the AH system and kill your 120 and 12 V electrical systems (battery switches) - leave off for about 15 minutes and restart all. Sometimes the AH will reset and operate.

IF that doesn't work call the Aqua-Hot service line - the techs are good about walking you through some diagnostics ... and they'll want to know what you've already done.

My first suspicions would be electrical connections followed by stir-pump problems. Have your unit's serial # in-hand when talking with the techs - you might find they'll be sending you four new pumps to be installed ...

Please let us know what results - we all learn ...

2015 Itasca Ellipse QD | 2014 Jeep Grand Cherokee
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Old 01-30-2017, 06:27 PM   #3
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Join Date: Mar 2013
Posts: 15
Heat problem

Ok I am going to answer based on the hot water is working and zone 1(front of bus) is working. This means that the bedroom zone pump is not working (middle motor between other zone motor and burner unit). This can be checked by removing the cover and disconnecting the spade connector at the pump (black wire) and putting a jumper on the motor side to ground (any exposed screw on the bus). This will turn the motor on and you should hear it run as well as feel the hoses on the output side heating up. You may need to wedge something in the switch that opens when you remove the cover to allow the motors to run. Some of mine were dragging, and one was locked up (no sound). There are a lot of know issues with these motors, (I just replaced all 4 under warranty. After I replaced them I tore them apart and discovered the reason they are failing on mine was junk in the motor part of the pump.
If you are in a bind and handy you can clamp off the hose so they don't leak (vice grips) and remove the pump. Take out the 4 screws and separate the housing. The propeller side will have a shaft the goes to round magnet. Clean up everything and put back together. Test pump before installing back in system. One of mine could not be repaired as the magnet part that goes into the coil did not come out when I separated it and could not pry it out afterwards. Good luck and I hope this helps.

Ron ND5T
Ron ND5T
Itasca Ellipse 42QD
Jeep Rubicon
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