RV

Have RV questions? Ask an RV mechanic online.

Ask an Expert,
Get an Answer ASAP!

This answer was rated:

Dometic ac compressor won't come on. Given the circumstances…

Dometic ac compressor won't...

Dometic ac compressor won't come on.

Mechanic's Assistant: Have you checked the Freon level?

No. Given the circumstances my ac guy said to check the capacitors and the thermostat first.

Mechanic's Assistant: What is the model/year of your RV?

2013 winnebago Vista 26he

Mechanic's Assistant: Are you fixing your RV yourself? What have you tried so far?

I'm right at the very beginning. I took off the shroud last night and verified the fan was running but not the compressor.

Show More
Show Less
Ask Your Own RV Question
Answered in 5 minutes by:
3/19/2018
Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 14,179
Experience: RVDA/RVIA Master Certified Technician with many years experience.
Verified

Hi! My name is ***** ***** I can assist you with this. I may need some additional information from you first in order to give a complete answer.

Ask Your Own RV Question
Customer reply replied 4 months ago
Ok

Which thermostat do you have?

Ask Your Own RV Question

Model number of the A/C would be helpful here. On the bottom of the A/C.

Ask Your Own RV Question
Customer reply replied 4 months ago
Is that 26 in addition to the 29 I'm paying currently? If so, I'm fine. I'm not on site anyway so I need this info before I go over.
Customer reply replied 4 months ago
K....give me a sec

Yes. A phone chat is an additional charge. I don't limit my customers to one call for that fee.

Ask Your Own RV Question
Customer reply replied 4 months ago
DometI 459516cxx1c0
Customer reply replied 4 months ago
dometic*

I​s this an analog or digital thermostat?

Ask Your Own RV Question
Customer reply replied 4 months ago
Digital

Single Zone or Comfort Control II

Ask Your Own RV Question
Customer reply replied 4 months ago
Single

D​o you have the User's Manual for this?

Ask Your Own RV Question

Is there a control module on the bottom of the A/C?

Ask Your Own RV Question

A​nd do you have a small digital multimeter for some testing?

Ask Your Own RV Question
Customer reply replied 4 months ago
I have a multimeter.
Customer reply replied 4 months ago
Control module?

There is a control module or control board that the thermostat sends a signal to.

Ask Your Own RV Question

On the bottom of the A/C it will be a gray box about 8" square.

Ask Your Own RV Question
Customer reply replied 4 months ago
You're saying attached to the ac on the roof?
Customer reply replied 4 months ago
A grey box on the right side (facing forward) with a wiring diagram on it?

Yes.

Ask Your Own RV Question
Customer reply replied 4 months ago
OK. So yes. It's there. The capacitors are in that box too, correct?

No. They are up on the A/C and accessed by removing the cover.

Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 14,179
Experience: RVDA/RVIA Master Certified Technician with many years experience.
Verified
Randall and 87 other RV Specialists are ready to help you
Ask your own question now

We need to find out if the signal is leaving the control box for the compressor.

Ask Your Own RV Question

I am in the middle of breakfast. Give me a call in about 30 minutes. Does that work?

Ask Your Own RV Question
Customer reply replied 4 months ago
That's fine. But how do I call you. I don't see a number?
Customer reply replied 4 months ago
Perfect. I'll head over to the site. Thanks.

10-4

Ask Your Own RV Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a rv mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Randall Your Own Question
Randall
Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 14,179
14,179 Satisfied Customers
Experience: RVDA/RVIA Master Certified Technician with many years experience.

Randall is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV.

DutchUSA

Highly recommend this RV expert. Prompt, good and detailed answers were given. Very willing to help with genuine concern. I will ask for him next time.

JackUSA

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

< Previous | Next >

Meet the Experts:

gene

gene

RV Mechanic

1,100 satisfied customers

28 yrs exp in the industry

Nick

Nick

RVIA Certification

664 satisfied customers

5 years RV repair and reconstruction, Fleetwood RV Training course completion.

Steve F.

Steve F.

RVIA Certification

443 satisfied customers

Journeyman and Master RV technician, Mechanical & Aerospace Engineer. RVIA Technical Consultant

Randall

Randall

RVIA Certification

14,179 satisfied customers

RVDA/RVIA Master Certified Technician with many years experience.

Robert

Robert

RV Mechanic

13,563 satisfied customers

18 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.

Wayne

Wayne

RV Mechanic

979 satisfied customers

Work on several type of Rv engine, Trans, brakes

Chris (aka-Moose)

Chris (aka-Moose)

RV Mechanic

502 satisfied customers

16 years of experience

< Previous | Next >

Related RV Questions
2014 Winnebago VIA.......when plugged into shore electric
2014 Winnebago VIA.......when plugged into shore electric the RV AC fan will NOT stop running. I have removed the fuse in the thermostat, still runs. If I set the thermostat to AC off, fan on auto....… read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
Have a 2014 FR Shockwave..The AC compressor isnt coming on.
have a 2014 FR Shockwave..The AC compressor isnt coming on. 13.5 dometic. I replaced dual start capacitor but still doing same thing..Fans blow hot air. Hear draw down when compressor tries to kick on… read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
Not blowing cold air and the coils that are supposed to be
Not blowing cold air and the coils that are supposed to be cold are not. All the coils are clean and I replaced the capacitor but didn't help any. The camper is only two years old. I have reset the th… read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
My AC on RV clicks but wont turn on. Just started.... I ran
Just started.... I ran AC for a day for a "test run" Worked fine...turned on & off as needed with thermostat....then it stopped and just clicks at thermostat, or up in AC....not sure … read more
Robert
Robert
RV Mechanic
Vocational, Technical or Trade Scho
13,563 satisfied customers
ON A 2006 COACHMAN CLASS A MH, WITH A DOMETIC DOU-THERM AC
I AM WORKING ON A 2006 COACHMAN CLASS A MH, WITH A DOMETIC DOU-THERM AC MODEL 59516.531 DUCTED, W/ THERMISTATE, PROBLEM. … read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
4 yr old Dometic rooftop AC model 640312CXX170. unit
unit operates okay in cool mode, but blower does not run in fan mode? Any ideas? … read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
I am looking for a hard start capacitor for a Dometic A/C in
I am looking for a hard start capacitor for a Dometic A/C in my rv. The a/c will start fine when plugged in to 110 volt circuit but when connected to my generators it will not start up. … read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
Dometic AC rooftop on a 2013 38 foot voltage The fan does
Dometic AC rooftop on a 2013 38 foot voltage The fan does not come on but you can hear a click. and the compressor will not kick on and the on board onan generator bogs down trying to start the compre… read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
We have a duo therm in our 2001 Alfa gold. We were running
We have a duo therm in our 2001 Alfa gold. We were running the air conditioner and turned on something else and popped the breaker on the park post. Reset the breaker and turned air back on, but it is… read more
Robert
Robert
RV Mechanic
Vocational, Technical or Trade Scho
13,563 satisfied customers
I have a 2013 Continental Coach 5th wheel with 3 Dometic
Hey Robert. I have a 2013 Continental Coach 5th wheel with 3 Dometic Penguin II Heat pumps. This past weekend, 2 began to have different props. I'm looking to get some diagnostic help. Thanks, Tim… read more
Robert
Robert
RV Mechanic
Vocational, Technical or Trade Scho
13,563 satisfied customers
I just purchase a 2001 dutchman 30 BH camper and I am unable
I just purchase a 2001 dutchman 30 BH camper and I am unable to get cold air! The fan works great but I don't think the compressor is turning on. I have checked all wiring and nothing obvious that is … read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
My dometic prod.#991762447, a/c unit runs awhile then
my dometic prod.#991762447, a/c unit runs awhile then stops/hesitates then only the fan blows, after a few min. the compressor kicks on again..over and over...3/4 year old unit and a/c only used maybe… read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
Model 57915.622. Av compressor will run but no fan. Turn fan
Model 57915.622. Av compressor will run but no fan. Turn fan to on and just a humming sound but no fan circulation. Can you help, already 90 degrees. Thanks. Hank… read more
Robert
Robert
RV Mechanic
Vocational, Technical or Trade Scho
13,563 satisfied customers
have to replace fan motor 57915.531 motor stuck removed fan
have to replace fan motor 57915.531 motor stuck removed fan and squirrel cage had to drill hole thru shroud how do I get squirrel cage out and don't understand wiring I know about black yellow and red… read more
Michael Reush
Michael Reush
Master Technician
High School or GED
2 satisfied customers
Compressor..the Camper to the campgound electric plug leads..rubber
I have an issue with a Dometic Roof mounted A/C in my fifth wheel - About a month ago while camping It tripped the A/C circuit breaker and after reseting it I found the system only works if the fan sw… read more
Michael Reush
Michael Reush
Master Technician
High School or GED
2 satisfied customers
Dometic..AC with Analog Thermostat which controls AC unit..trailer
I have a Dometic 57915.531 AC with Analog Thermostat which controls AC unit and Gas Furnace unit. Last year the trailer was plugged into house power while we had a severe thunderstorm. It took out the… read more
Randall
Randall
RVIA Certification
14,179 satisfied customers
Tony C. RV mechanic about the Dometic Duo..ac..metal..schematic
Another question for Tony C. RV mechanic about the Dometic Duo-therm 57915.531 roof top ac problem previously discussed. Tony, I followed your instructions, pulled the cover off top and found a metal … read more
technotony
technotony
Vocational, Technical or Trade School
212 satisfied customers
Star: Dometic..Unit works OK when I first start it
I have a Dometic 59016.521 A/C in a 1994 newmar Dutch Star. Unit works OK when I first start it. After 1-2 hours it does not seem to cool anymore. I then turned the thermostat to a heat function and t… read more
Robert
Robert
RV Mechanic
Vocational, Technical or Trade Scho
13,563 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x