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Topic: Aqua Hot purge cycle won’t stop  (Read 553 times) previous topic - next topic

Aqua Hot purge cycle won’t stop

Having a problem with my purge cycle on my Aqua Hot. I have the model AHE-100-02S.
The purge cycle doesn't stop. The purge cycle runs for three minutes and it seems like it wants to stop
but then it keeps running. It stops and starts stops and starts. It will not quite. I noticed this once before
and it took it  15 minutes to turn off. After that it worked like it should.
I can't find anything in the trouble shooting manual on this. Any suggestions on what to look for?
Thanks for your help.
Alan
Alan Fink
Waupun, WI
2000 Blue Bird Wanderlodge  LX40
2018 F150 4x4
2020 Jeep Wrangler Unlimited  Rubicon JL

Re: Aqua Hot purge cycle won’t stop

Reply #1
Alan,

Contact Rudy on this site.  He will help you trouble shoot this problem.  I had similar symptoms several years ago and it turned out to be a problem with the control box.  But again, Rudy can zero in on your problem and find the solution. 

Richard
Jan & Richard Witt
1999 U-320  36ft WTFE
Build Number: 5478 Motorcade: 16599
2011 Jeep Wrangler Unlimited w/Air Force One
Jan: NO5U, Richard:KA5RIW
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Re: Aqua Hot purge cycle won’t stop

Reply #2
I have been told that what you are describing is the first signs that the control box is dying. 

Rudy can tell you for sure.
1998 U320 40'
2005 GMC Yukon
MC# 17609

Re: Aqua Hot purge cycle won’t stop

Reply #3
I removed plug C from the control box and the purge cycle stopped. I will try and contact Rudy and see what he has to say.
Thanks for your help.
Alan
Alan Fink
Waupun, WI
2000 Blue Bird Wanderlodge  LX40
2018 F150 4x4
2020 Jeep Wrangler Unlimited  Rubicon JL

Re: Aqua Hot purge cycle won’t stop

Reply #4
Alan, you need a new control unit, the brain box that runs the burner.  You may continue operating the burner as long as you unplug the "B" plug at the end of each heating cycle.

You are most welcome to source a new unit from me.  Call me if that is your wish.

Rudy. 7 one 3. 8 one 8. 3234
Rudy Legett
2003 U320 4010 ISM 450 hp
2001 U320 4220 ISM 450 hp
1995 U320 M11 400 hp
1990 Granvilla 300 hp 3208T
Aqua Hot Service Houston and Southeast Texas

Re: Aqua Hot purge cycle won’t stop

Reply #5
Thanks Rudy
I will call you tomorrow.
Alan Fink
Waupun, WI
2000 Blue Bird Wanderlodge  LX40
2018 F150 4x4
2020 Jeep Wrangler Unlimited  Rubicon JL

Re: Aqua Hot purge cycle won’t stop (Update)

Reply #6
Rudy was spot on. He sent me a new control unit and it is now  working great.
Thanks again everyone.
Alan Fink
Waupun, WI
2000 Blue Bird Wanderlodge  LX40
2018 F150 4x4
2020 Jeep Wrangler Unlimited  Rubicon JL

 

Re: Aqua Hot purge cycle won’t stop

Reply #7
Rudy is da man!
Joe & Dottie Allen
Sold!  December 2023.      2000 U320; build # 5645
Our coach " Maxine"
Motorcade #  15922;  Escapee 150950; FMCA F330833; Boondockers Welcome;  Harvest Hosts;  Thousand Trails
'98 U320 from 2000-'06
USAF '62-'66

"Do not spoil what you have by desiring what you have not; remember that what you now have was once among the things you only hoped for." ―Epicurus