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What is fault code 4 on carrier funise ,thanks

I have code 4 flashing on my 80.000 carrier furnis what is that for

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Thermal ( limit ) protection switch open, could be dirty filter, stop up evaporator coil causing heat exchange to over heat. You should really have a service company check out the unit every year, that way they can check for carbon monoxide which is a odorless gas that will kill you and your family.

Posted on Nov 18, 2014

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I have an old Carrier N1340 air conditioner that works when switched on, green light flashes 4 times, for a few times then it shuts down. There is also a flashing red light inside that unit.


There will be a list of flash codes in your manual or on the inside cover of the unit indicating what the problem is eg. low pressure or high pressure alarm

Nov 15, 2016 | Carrier Heating & Cooling

2 Answers

Sir, carrier model42QG24-C comeing to off after 5 mint and then on after some time it repeate this cycle again and again. The red led on pcb is blinking regulerly..


More than likely it is cycling on its low pressure control.. It is an automatic reset device but each time it cycles off, the TDR (time delay relay) keeps it from restarting for approximately 5 minutes.

A steady and rhythmic 'heartbeat' on the circuit board typically means 'normal' operation. If it flashes, stops, flashes, stops etc, it would be giving you a fault code telling you what is cycling it off. You have to count the flashes, slow or fast or a combination of slow and fast and look up the fault codes.

Apr 28, 2015 | Carrier Heating & Cooling

1 Answer

Carrier Comfort Zone II Thermostat is blank and the 3 companion thermostats are all showing Error Code C1. What does that mean?


Hi Anonymous,
For all wall mounted and Artcool split system codes

Error code = C1 or CH1
Flashing Light = 1
Fault = Indoor temperature sensor open or closedcircuit.
Display = Indoor.
Indoor Operation = ON

Error code = C2 or CH2
Flashing Light = 2
Fault = Outdoor temperature sensor open orclosed circuit.
Display = Indoor Outdoor.
Indoor Operation = ON

Feb 14, 2015 | Carrier Heating & Cooling

2 Answers

I cant reset my nokia6020 by uesing *#7780# this code becous i forget the security code. plyz help me.


Hello thanks for using Fixya

Try default security code 12345 or 0000. If its not work. Just give me comment i will further help u.

See my TRIP & TRICK to format Nokia Handsets which will help you out briefly


I hope this solution will helpful 4 u
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THANKS & Keep Using fixya

Jan 19, 2011 | Nokia 6020 Cellular Phone

1 Answer

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.


Mar 16, 2010 | Carrier 38CKC036 Air Conditioner

1 Answer

Carrier split 42G250HF-1(indoor unit


I'm not sure exactly what unit you have and what controls you have installed on the unit. But....there usually is a flash code schematic on the unit. Usually on the inside of the blower compartment cover. This should tell you what is wrong with the unit. It could have a low voltage short somewhere and is loosing the call for cool. So the answer can be a possible yes to your question but without knowing the flash code, it's hard to tell from my point of view. You might end up calling a service professional out to check it.

Mar 30, 2009 | Carrier 38CKC042 Air Conditioner

1 Answer

Missing fault code legend


http://www.carrier.fi/dm/file.phtml?id=84

This should be what you are looking for.

If so, please rate this post.
Thank you.

Mar 12, 2009 | Carrier Heating & Cooling

1 Answer

Coleman evcon dgat090bdd. New ignitor won't heat up.


Looks like 4 flashes might be high limit fault on this furnace. (I don't have a manual for this furnace, just searched online for the code meaning) Is the unit running flame at all? Is the unit running flame for a while then shutting flame off before desired temp is reached? Does the main air fan turn on to circulate air through your diffusers? Does it feel like the unit has much air flow out of the diffusers if the fan is running? Is your air filter clean? If it is infact your high limit switch, it is usually caused by not having enough airflow through the furnace and overheating occurs.

Hope this helped, let me know if I can assist you further :)

Jan 16, 2009 | Coleman Propane Forced Air Heater...

1 Answer

Coleman evcon Dgato7obdc


Small blower motor? Are you talking about the combustion blower if so then check your vents for blockage.. if the vents are blocked won't work... if it has a control board init it will give you a diagnostic code. Flashing light on the board... count the flashes and look up the fault on the chart in your owners manual ot on the furnace door..

Jan 13, 2009 | Coleman Propane Forced Air Heater...

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