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Hello i have a carrier expression n1340 split system , i turn unit on nothing happens other than the power light flashes five times then stops for a few seconds and flashes five times again , and continues like this till unit is powered off. any ideas? pls help

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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bobotfel
  • 236 Answers

SOURCE: not turning on

Hi

Try to reset the unit by disconnecting the power supply for 10sec. and operate the unit. If it wont work replace your Room Air and Coil Thersmistor or test the thersmistor with mulitester. The resistance reading of thermistor is 10 kilo ohms @25deg. C room temp. If it is shorted or open the unit wont operate.

Hope this can help :)



Posted on Jan 08, 2009

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  • 659 Answers

SOURCE: 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.

Posted on Mar 30, 2009

kel1guy2002
  • 3740 Answers

SOURCE: My split type 2.5hp carrier express ion shuts off

How many times is the light blinking? Also is the light red, yellow or green? The light blinking is telling you exactly what has failed.
(# of RED blinks first)

1 High Pressure Protect
2 Indoor coil freeze protect
3 Low pressure protect

4 Compressor discharge protect

5 Low pressure/Overcurrent protect

6 Indoor-outdoor communication error
8 Hi-Temp protect
10 AC Voltage Low


Each of these has maintenance required steps to resolve the errror. Let me know how many blinks your getting...


Kelly





Posted on Apr 25, 2011

bobotfel
  • 236 Answers

SOURCE: carrier hi wall split unit on light flashes 4 times ???

This problem is outdoor unit issue. Blinking 4 times in carrier highwall unit means Compressor drive malfunction. Possible cause are the following: - Stuck up or grounded compressor. - Magnetic contractor in outdoor unit is defective or indoor unit relay supplying outdoor unit is defective. - No power supply going to outdoor unit.

Posted on Dec 06, 2011

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1 Answer

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

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My carrier split ac trip after some time and green light blinking contsly


If this is a ductless split call a tech! The ductless split systems can be a troublesome unit to diagnose. A few things to try. Clean air filters and ensure coil behind is clean. And build up or debris on blower wheel (indoor fan blades) will cause unit to fault. Turn off power at breaker or disconnect and clean (with water hose and medium pressure) the outdoor coil. Be sure you will not damage outdoor coils fins with too much water pressure. Turn power on. If this simple service don't do it again, call a tech! Be sure to ask if they have someone who is experienced with mini split systems and be patient. Even the best technician will need to call carrier for tech support.

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Hello,

Have you tried unplugging it and plugging it in again?

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Carrier Air conditioner. Turn the unit on and the Green unit light is flashing. But the system will not turn on. Have tried replacing battery in the contol, and the air filters have been cleaned.


make sure your getting power to unit is this a split or package if split make sure water is not in exterior drain pan this will kick the float switch out push contactor in see if it comes on if not check the capacitor please give me a rating and vote

Sep 19, 2010 | Carrier Heating & Cooling

1 Answer

The operation and timer lights on my Fujitsu split system are flashing on and off several times when the unit is switched off I noticed this after the system had stopped blowing air & I knew the room...


I have same problem like yours to my newly installed Fujitsu multi-split system (the first time use since system installed 1 week ago). I rang the electrician who did the installation; he said it must be the units themselves nothing to do with electricity.

Okay, then I rang Fujitsu and their local service agent. They suggested me to switch off C/B for an hour to reset the units. I followed the instruction but the indoor units still did not respond to remote control...

It simply looks like no power supply to indoor units (they are hard-wired to the outdoor unit). So I used a multi-meter to test the power terminals of indoor units (Danger! If you have no idea about this, don't even try! ): it seemed no power supply even C/B is on. I turned to the isolator which next to the outdoor unit. The isolator was making arcing noise when I switched it on and off. The indoor units suddenly turned on for few minutes then died again.

So I figured out the problem is that crooked isolator. I called the unhappy electrician to replace the isolator. End story....

I hope my experience will help you a little bit.

Jul 11, 2010 | Fujitsu 24C1 Air Conditioner

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My carrier A/C turns off by itself but the light blinks


Switch OFF the circuit breaker of ac, after 5 seconds. Switched ON the circuit breaker. If this will appear again try to check the wiring connection of ac.

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Carrier hi wall split unit on light flashes 4 times ???


as i am a mechanic in sydney australia, i can honestly say that the chance of you getting help via carrier is very very slim... the reason it is doing that is that it has a legitimate problem unfortunately i have a carrier 42g250h which is flashing 4 times aswell... i have been waiting now 10 working days for carrier to call me to tell me what the problem is... if you can afford to do it, throw the damn thing out and buy a new one, i hate to say it but even an LG will work better than these heaps of ****

Feb 23, 2009 | Carrier 38CKC042 Air Conditioner

1 Answer

Can someone help me with a problem i have with a carrier split system the temp here at the moment is about 43 celsius aircon worked good last nite in same condition but 2day it will run not blowing out...


Reset the unit by disconnecting the power supply for 10sec. and "on" again then test. If it won't work, then there is something wrong with the unit safety devices. You need a qualified tech. for this problem.

Jan 29, 2009 | Heating & Cooling

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