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EMESA GLOBAL Posted on Mar 31, 2019

I have carrier floor standing unit in my home. model number 42sm5c-a its showing E3 and unit getting shut down

Why its showing E3 fault in air condition unit

1 Answer

jerry fitz

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  • Contributor 30 Answers
  • Posted on Apr 02, 2019
jerry fitz
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Joined: Jan 06, 2018
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Try changing out your air filters if that don't work try cleaning evaporation coils. If that don't work get ahold of your local HVAC shop they will take care of it.

5 Related Answers

Anonymous

  • 828 Answers
  • Posted on May 08, 2008

SOURCE: Carrier casement unit shuts off automatically

E4 indicates your unit is in need of service.

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Anonymous

  • 1 Answer
  • Posted on Jan 23, 2009

SOURCE: Baumatic BDW13 14 dishwasher SHowing E3 Fault

word_answers.gif I had the same problem and changed the two thermostats on the base and got it working. You can get them from partmasters.co.uk (thermostat protector) cost 17.99. They just screw in and are dead easy to fit

1STHVACMAN

  • 69 Answers
  • Posted on Aug 23, 2009

SOURCE: Carrier programmable thermostat flashes E3

manufacturers put their name on lots of other peoples stats. Honeywell has a very good help line and an online service. Need to know whose thermostat white- rogers, Or honeywell Or Model number

Anonymous

  • 66 Answers
  • Posted on Jul 02, 2010

SOURCE: Im looking for the specs on a Carrier air

here ya go
www.xpedio.carrier.com/idc/groups/public/documents/.../38ckc-c2w.pdf

kingbrizzle

Brandon Berry

  • 407 Answers
  • Posted on Jul 02, 2012

SOURCE: Carrier A/C unit model number 38ckc030330 date of manufacture

You will need the serial number in order to get the manufacturing date. It will be in a year/week format but not always in that order. For example: 1211********* can be the 11th. week of 2012 or the 12th. week of 2011. If you can post the serial, that would be great!

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Related Questions:

1helpful
1answer

When I switch on my home carrier a/c the fan works but turning control to air makes ne difference. The a/c doesn't engage.

Turn the main power/ breaker off to outdoor unit for 1 minute. Resume power and retry. Stand near outdoor and allow a possible 3 minute delay. Problem likely to happen again but maybe this will give a clue. Maybe outdoor fan not running, machine is likely shutting down on a safety and by cycling the power you are resetting that safety.
0helpful
3answers

Fault E3 Have same problem, fan works fine but will not turn on cold air. Display shows "e3". I have a remote, but do not see a button "c".

Try this : Start the unit using the remote control, after that push the C button of remote control if C display at the unit then off the unit and plug out the power supply. Then plug in again and "on" the unit using the remote control.
tip

CARRIER WINDOW ELECTRONIC CONTROL

CONTROL PANEL ERROR CODE
PROBLEM
REMEDY
E4
Thermistor problem
Shutdown unit and restart
E3
Unrecoverable of E2RAM data
Shutdown and unit and restart
E2
Loss or corruption of stored data
Using remote control go to Cool mode and shutdown the system, and then restart.
E1
Code validation check fail
Shutdown and unit and restart.
FL
Filter check warning
Press the “MODE” and (DOWN) “▼” buttons together until error code disappear.
Note: If the problem persist replacement of control board is needed.

-Push arrow up and arrow down together for 5sec. the room temp. will show.


eccec90.jpg
0helpful
4answers

Replacement air filter

Hi,

I'll let you know if the parts are available..
0helpful
1answer

My air conditionner is not working properly. It sends cool aire keep getting code E3 What can I do to fix it Tks

micheline, according to the LG Owner's Manual for the Model Number you listed, there is no LED display on the casement window unit (please see the Owner's Manual link below). How are you getting an E3 error code? Or by chance, did you list the wrong model number? Even Goldstar, that is made by LG, doesn't show your model number.

Please advise. Thanks.
0helpful
1answer

Model 30gx faults code

Hi, the indoor chiller unit blower section will have a sheet glued to a panel on the unit that will tell you where and what the code 302 means on the unit. Then you will be able to make the repairs you kneed.
Shastalaker7
PS the numbers above show that this is a 3 ton unit, 38CKC036. The error code more than likely will be 3 flashes from the board followed by 02 flashes. I may be wrong on that , so correct me if I am.


0helpful
1answer

Carrier programmable thermostat flashes E3

manufacturers put their name on lots of other peoples stats. Honeywell has a very good help line and an online service. Need to know whose thermostat white- rogers, Or honeywell Or Model number
1helpful
1answer

We have a Fedders window unit and we do not have an owners manual. When we plug it in it beaps and then blows air for 2sec and then it goes off with the signal E3 showing in the digital box. We need to...

Without the model number, I can't point you to the exact manual for your particular unit. However, here's a link to a web site that has about 38 manuals for various Fedders models. You can download a manual and/or users guide for free and look at the operation and troubleshooting sections to see what you need to do to get your unit working properly.

Just scroll down the page once you get to the web page to locate your particular model number, then click on it.

http://www.retrevo.com/samples/Fedders-Air-Conditioner-manuals.html

Hope you found this helpful and best regards!
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