Question about Dometic Rooftop RV Air Conditioner

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I had my 4 button CCC upgraded to a 5 button with the CCC upgrade kit. Now the T sat has EE and won't come on. I tried holding down the mode and zone buttons together and when I do i get the FF on display but as soon as I release them it goes back to EE on T stat and the units won't come on.I have tried this more than 10 times no luck!

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  • bpford Jul 12, 2009

    I'am sorry I don't understand what the sensar place is?

  • bpford Jul 12, 2009

    No. I had a RV mobile repair man come and do it.

  • bpford Jul 12, 2009

    He changed both boxes in both Roof airs.He also set the pin to on for unit 1 and 2. 1st tast worked fine till that afternoon when I came in and turned it to on .Nothing no air no light in stat. He came back and changed t stat and now the tstat is light and shows on only EE and still no air!

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  • 3,230 Answers

Hi there,

First of all make sure sensar place of thermostate, do a check i think there must be some missing.... 

Post back further comments..
Good Luck!!

Thanks

Posted on Jul 12, 2009

  • Mukesh Kumar Jul 12, 2009

    Do you upgrade 5 button ccc yourself?


  • Mukesh Kumar Jul 13, 2009

    It seems that there must be some fault during the 5 button installation, so it will need a recheck ....


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Safe Mode is a diagnostic tool in the Remote used for troubleshooting purposes. If the words "Safe Mode" or "Safe Mode Requested" appear on the remote, complete the following steps:

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Stuck in safe mode


1. Remove the batteries. While holding the 2 button down, connect the USB cable. The remote will boot into normal mode.
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3. There could be a stuck button on the remote causing the symptom. Remove the batteries from the remote. Push in, and massage each button ensuring it is not stuck down. Replace the batteries and Update the firmware. Update the configuration.
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FIRMWARE:
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You can try this solution to your Harmony 550 Safe mode problem:

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1. Ensure the Remote is in "Safe Mode Requested" by taking out the batteries, and disconnecting the remote from the USB cable.
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Hey!

I got my Harmony Remote stuck in safe mode and found the following link that got it working properly!!!

http://logitech-en-amr.custhelp.com/cgi-bin/logitech_en_amr.cfg/php/enduser/std_adp.php?p_faqid=11941

I hope this helps!!!

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To initiate a RESET, do the following in the order
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If you have the five button comfort control. Turn the unit off and hold down the mode and zone buttons together. While holding them down, turn the thermostat back on. Hold the buttons down until an FF appears on the screen. Release the buttons and the display should return to normal. If not, try it again.

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2 Answers

My compressor will not start.


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Rate me please!!

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1 Answer

My harmony 550 remote is in Safe Mode and will not respond to any button I push. How do I get my remote to work again?


Did you try this response from the Logitech users' forum? It can't hurt to try since all your settings are stored on the web, not on the remote.

http://logitech-en-amr.custhelp.com/...i=&p_topview=1

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2. Hold down the Off button and plug the remote into the USB.
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1 Answer

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Safe Mode is a diagnostic tool in the Remote used for troubleshooting purposes. If the words "Safe Mode" or "Safe Mode Requested" appear on the remote, complete the following steps:

1. Ensure the Remote is in "Safe Mode Requested" by taking out the batteries, and disconnecting the remote from the USB cable.
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