Question about Dometic Rooftop RV Air Conditioner

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Brand new A/C turned off for no reason - I have power. breakers look ok. I can here a click on the unit but it will not turn on

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Have some one check the start capacitors

Posted on Sep 08, 2010

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1 Answer

Disconnected the baseboard heater - turned power back on - no power


If the breaker (you mean from the main board?) is turning off there is a line fault or short somewhere. If the breaker is not kicked off then there is a loose connection or maybe a small blown fuse in the base board heater unit itself.

Feb 17, 2014 | Heating & Cooling

1 Answer

Brand new Unit turns off out of the blue after some minutes of use with no apparent reason to do so.


First, make sure it's not a problem with the outlet the unit is plugged into. You can test the outlet by plugging in a lamp. If the outlet is not working, check your home's circuit breaker panel for a tripped breaker switch. Be sure nothing is still plugged into the outlet, when you reset it. Then plug the AC Unit back in, to see if it turns ON and runs as it should, for longer than a few minutes. If it trips the breaker again, either the circuit is overloaded (with some other electrical appliance on the same circuit) or the Circuit Breaker doesn't have the capacity to handle the AC unit,

Worse case scenario is that there is an electrical malfunction in the brand new AC unit. In which case, before you go hustling of to the store to return it, read the Owner's Manual to make sure that you did everything right the first time. If you're truly satisfied that you did, return it to the place of purchase, along with your Proof of Purchase, for an exchange or a refund.

Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

Jun 16, 2011 | Sharp CVPD13PX Air Conditioner

1 Answer

I have a 2011 Wildwood travel trailer. I tried to use the air conditioner for the first time this weekend. When I turned the themostat to cool and 65 degrees the air unit "clicked" one time but...


First thing to check is that the breaker for hydro to AC unit is in the on position. The clicking sounds like 12 VDC is OK but hydro may not be on to it.

Apr 19, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

Brand new electric mulching blower/vac : cut out after 10 secs.


Electric motors sometimes have circuit breakers to protect them from overload or overheating. Some reset automatically, some don't. But even if you found and reset a breaker, this shoudn't happen 10 seconds after starting a new unit, unless you sucked a branch into it during those 10 seconds! Take it back to the store for a replacement.

Jul 04, 2010 | Garden

1 Answer

Air conitioner started to automatically climb in temperature, we shut the unit off, put new batteries in the remote. the uit will not turn on at all. Prior to this the unit worked perfectly. Can you...


Since it was running (although not cooling) when you turned it off (and put batteries in the remote) it would be strange to have no power at the outlet - but I would check and make sure.

The easy way to check your outlet is - toplug something else in there - like a hair dryer or a lamp - 'assuming' your unit plugs into a regular household outlet, and is indeed a 110 volt appliance.

Step 1 - plug another appliance (hair dryer or lamp) into the outlet

If - after plugging something else into the outlet, i.e. a hairdryer and it works ok - you will - then know that there is nothing wrong with your power supply (110volt outlet). So you can move on to Step 2

Note: if the other appliance does not work - then you need to check the Circuit Breaker to see if it's tripped off. Many times circuit breakers will trip for no particular reason and just needs to be reset (turning breaker off and back on). If you find the breaker is tripped - and you reset it - and the unit - runs and cools ok - I would just keep an eye on it for a few days - watching to see if it does again. A breaker that "keeps" tripping for no apparant reason is an indicator of something electrically wrong within the unit and probably needs a Service Tech to troubleshoot it.


Step 2 - Since the power supply is ok - see if you can start the AC manually - without using the remote. If the unit will not start "manually" - I would look for a "reset button/switch" (*not all units have one) and reset it. Note: if after resetting the unit - it still does not run then proceed to next step (step 3). Or if you can't find a reset button I would look in my manual and see if it can help you find it - if, however you do not have a 'reset button/or can't locate one' then go to next step (step 3).

If - however, after resetting - "the unit comes on and -runs and cools- ok" - I would then 'turn it off,' and let it set for 5 minutes and then try operating it with the remote. If it works with the remote I would then assume you just had an 'electrical glitch' and everything should be ok. If it "doesn't work" with remote I would suspect a defective remote and replace it.

Step 3 - since you have power (at the outlet) and either have 'reset' the unit or can't locate a reset button, or there is no reset on the unit - you are now in need of a Service Tech to electrically trouble-shoot the unit to find the problem. Note: I'm assuming at this point 'Nothing' is running, - not the fan motor - or the compressor, in which case you might look for a "fuse" in the unit - again not all units have one, indeed most do not, but it's something you could check, and easily replace if it's bad.

If, after completing all the checks above and the unit still fails to come on (either manually or with remote) - then you are, as I said above, in need of a Service Tech.

hope this has helped


Jun 23, 2010 | Sharp Heating & Cooling

1 Answer

Power turns on but nothing else turns on, just the display screen. is there an easy fix ie fuse or something?


CHECK BREAKER AT MAIN BOX , SHUT OFF BREAKER ALL THE WAY OFF AND BACK ON. IF YOU DO NOT HAVE BLOWER WHEN YOU TURN FAN SWITCH TO ON THEN YOU STIIL HAVE NO POWER TO UNIT . GO TO OUT SIDE UNIT ON GROUND AND PULL OUT DISCONNECT FUSES AND TEST THEM OUT OF FUSE HOLDER LIKE AUTO FUSES. IF UNIT IS ON ROOF SHOULD HAVE FUSES UP ON ROOF IN 6  X4 GRAY BOX. SHUT OFF BREAKER FIRST BEFORE FUSE TEST. IF FUSES OK AND BREAKER OK THAN YOU MIGHT HAVE BLOWN TRANSFORMER.

Apr 21, 2010 | Danby DAC9003D Air Conditioner

1 Answer

Front AC unit will not turn on


The clicking tells me the AC(hydro) power has been turned off to it. Check all breakers, and make sure if you have another switch on wall, to change from front, to back, or to both, that it is in proper position.

Apr 17, 2010 | Dometic Rooftop RV Air Conditioner

3 Answers

2001 Suzuki Katana has no electric power to


i got the same problem last time..check the key switch ..
if ok ..
check the ON OFF switch..
if ok
check the wire connection both of them..
if ok..
check the first thing ....FUSE

Oct 24, 2009 | 2001 Suzuki GSX 600 F (Katana)

1 Answer

Unit Turns Off


Have you checked the breaker in the breaker box to see if it's tripped? Also check the amp rating on the air conditioner and the amp rating on the breaker the unit is plugged into, the breaker may be weak or not a high enough amps or rating for the unit it's trying to power.

Jul 01, 2009 | Friedrich QuietMaster RS10J10 Air...

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