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Duo=therm A/C remote not communicating with receiver on wall. Setting on remote change, but receiver does not beep. Cant turn off or adjust any settings.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

22yooper
  • 828 Answers

SOURCE: duo-therm quick cool

Your compressor is trying to restart after it shuts off which is causing a power draw down changing the sound of the fan speed change. Check voltage power supply and insure that the power supply cord is heavy enough to carry the necessary load.

Posted on Jun 28, 2008

  • 1 Answer

SOURCE: duo therm air conditioner

my duo therm air works beautifuly all day but at night when we go to bed it seams to turn on and shut off rapidly. what could be wrong?

Posted on Jul 19, 2008

motor1258
  • 6674 Answers

SOURCE: duo therm air conditionning/furnace thermostat in RV

Checked all breakers & fuses in panel ?

Posted on Aug 14, 2008

  • 96 Answers

SOURCE: Blower Fan Not Working

Try taking the top cover off the unit and spin the fan with your hand

Posted on Feb 23, 2009

  • 116 Answers

SOURCE: A/C Thermostat display is blank

find the stat wire and jump red to green to see if fan comes on if so then stat bad if not check for 24v ac transformer or 5 amp fuse

Posted on May 09, 2009

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You are probably picking up some kind of radio interference that is causing the receiver to think a remote has sent it a signal. A possible solution to this issue is to change the frequency that the remote uses to communicate to the receiver to turn the fan or light on.

I have had the same problem with the light coming on intermittently by itself. At first I also could not change the settings and have the remote work with the new settings. But I found out that when you change the dip switch of the receiver you must turn off the power using the wall switch or the circuit breaker and turn it back on before the receiver will use the new dip setting. I am still waiting to see if the light will come back on after changing the dip switches from 1-on, 2-on, 3-on, 4-off to 1-off, 2-on, 3-on, 4-on and the remote's jumpers from 1-jumpered, 2-jumpered, 3-jumpered, 4- no jumper to 1-no jumper, 2-jumpered, 3-jumpered, 4- jumpered.

These directions are for the Hunter 27157 model.

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Have a duo therm ac and the low ac and low fan not work -


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my duo therm air works beautifuly all day but at night when we go to bed it seams to turn on and shut off rapidly. what could be wrong?

Jul 06, 2008 | Dometic Rooftop RV Air Conditioner

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Hi there

I think this is a setting on your air conditioner, the air conditioner will turn off when the room is at the correct temperature and when the room starts to warm up, the air conditioner will turn back on. (You need to find the settings and change them from auto-adjust to manual-adjust)

Keep us posted and thank you for using our service.
FixYa for all your troubleshooting needs.

Jun 27, 2008 | Dometic Rooftop RV Air Conditioner

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