Question about Samsung Heating & Cooling

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After I replaced the pcb on my samsung air conditioner indoor unit it won't start and all 3 led's are blinking

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  • Markus Maritz Jun 26, 2016

    Halo, also try pressing the manual on/off switch on the indoor unit, if you open the flap where the filters are you'll see on the right hand side is a small button.
    Check if it turns on, if it does check your outdoor fan and the indoor fan if it doesn't turn on let me know.

    Regards

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  • Master
  • 960 Answers

I have had similar problems with Samsung. Apparently, the indoor board fits a lot of different models and each has to be "programmed" in to suit your model. Not sure what was wrong with your machine before but it has been known for these units to have a faulty outdoor fan motor which causes the outdoor board to fail as well. When this happens, the indoor unit will usually work fine for about a minute or 2 and then shut down, with lights flashing. The outdoor wont start at all. If these were the symptoms, I would suggest putting your old indoor PCB back and then getting a new outdoor fan motor and outdoor PCB.

Posted on Apr 19, 2015

6 Suggested Answers

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Posted on Jan 02, 2017

  • 10 Answers

SOURCE: Outdoor unit does not start. indoor unit fan does run.

by the sound of it the relay in the outdoor section is bad

Posted on May 31, 2009

crouchdash
  • 83 Answers

SOURCE: how to dismantle the indoor unit of panasonic air

Hi,

I'm guessing its a window type A/C. First Remove the fron cover of the A/C, its a snap on so you just need to gently. Next is pull out the inner assmbly, the drain pan usually has a handle curve you can pull, be careful not to drop the AC. from there you can clean the unit and declogg the drain by hosing it down.

I hope this helps

Posted on Jul 06, 2009

  • 1 Answer

SOURCE: manufacturing defect in samsung air conditioner

ice formation in front portion of window ac. not enough cooling effect.

Posted on Jul 23, 2009

greenspan
  • 1734 Answers

SOURCE: LG split (3 indoor) LMU360CE

The LED #2 is only flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on). If you want to change it, note: this is not an easy job to do! You will need to remove the top panel, then remove the control paneland then the front panel to gain access to the thermistor. The part isnot available to the public and requires an authorized service techfrom LG to take care of this problem. You will need a special tool toremove the front door seal spring clamp.
But you can call customer service @ 800 243 000 and see if theycan transfer you over to parts. Just give them the model and serial #and see if they would be willing to sell you the thermistor part. Youwill also need the door seal spring clamp removal tool to make the jobeasier.

Posted on Aug 02, 2009

  • 1 Answer

SOURCE: Mr. Slim MXZ30TN Air Conditioner: Indoor unit blinks on and off what is the problem?...

continuous flash is frost prevention ...clean the filter & switch fan to high

flashes once every 2 sec could be room air sensor contact loose/short...call dealer

flashes 2x every 2 sec is indoor coil sensor contact loose/short...call dealer

flashes 3x / 2sec sensor contact problem, or compressor overload protection trip or gas leak...call dealer

Posted on Jun 02, 2010

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Related Questions:

1 Answer

Why my unit keep shutting off after few seconds and then turbo light keep on flashing?


Operation =
Flashing Display Timer = Yes
Turbo =
LED Display = E1
Explanation and Checking points = Indoor unit room thermistor error - Open or Closed Circuit - Check and replace if required

Operation = Yes
Flashing Display Timer = Yes
Turbo =
LED Display = E2
Explanation and Checking points = Indoor unit pipe thermistor error - - Open or Closed Circuit - Check and replace if required


Operation =
Flashing Display Timer =
Turbo = Yes
LED Display = E3
Explanation and Checking points = Indoor unit fan motor malfunction - Check and replace if required


Operation =
Flashing Display Timer = Yes
Turbo = Yes
LED Display = E6
Explanation and Checking points = EPROM error - Check and replace PCB if required


Operation = Yes
Flashing Display Timer = Yes
Turbo = Yes
LED Display = Flashing
Explanation and Checking points = Option code error - Check and input new option code if required via wireless remote controller


Operation = Yes
Flashing Display Timer =
Turbo = Yes
LED Display =
Explanation and Checking points = Outdoor unit temperature sensor - Open or Closed Circuit - Check and replace if required

Jun 18, 2014 | Samsung AQV36JA Classic 36000 BTU Single...

1 Answer

When i start the a/c indoor unit working and after 1 minute of the indoor unit and blinking the green and red light.


Green blinks indicate communication to outdoor, but red light indicates communication problem. Check PCB.

Oct 16, 2011 | Samsung AS18A6RB Air Conditioner

2 Answers

Out door is not working


Check for communication from indoor to out door.Check power in out door unit. If not, check the following.
Keep cool mode and temp setting minimum 3 degree less than room temp.
Check indoor unit return air sensor. Disconnect sensor from PCB and measure resistance. 8 kOhm at 30C and 13 kOhm at 20C if not replace air sensor

Check Indoor Pipe Sensor Disconnect from PCB and measure resistance. Pipe sensor = 5kOhm at 25C. If not replace pipe sensor.
Thanks and hope helpful?

Feb 04, 2011 | LG LS-L1210CL Mini Split Air Conditioner

1 Answer

I have a samsung air con model FSO9A1VE the indoor unit is working but the outdoor unit is not the air con may have been ruuning for some time as i was not home


Actually, it's not advised to run the a/c when occupant is out for long time. Check in out door unit for power. If not check thermostat setting. Keep +3 degree minimum for cool, than room temp.And -3 for heat than room temp. If power not in out door, check indoor out put out. No power goes to out door, repair/replace PCB.If power in indoor out put and not in out door, replace wire connected in between indoor and out door. Thanks.

Feb 03, 2011 | Samsung Heating & Cooling

2 Answers

Greeting, I have problem with SAMSUNG air condicioner inverter. The display shows me an error E1 A1 and does not include the external unit, please help what is the problem.


E-1 Room sensor and A1 Indoor PCB fault. Please you replace first,indoor sensor and reset.Sometimes indoor pcb shows fault code due to sensor short. After replacing sensor it will show only A! or sometimes no error. If it shows A1, you have to repair/replace PCB. Helpful?

Jan 24, 2011 | Samsung AW1203B Air Conditioner

1 Answer

Hey, i have a MSZ-GA80VA and the head unit starts for a few minutes and then stops with the left light blinking. i also noticed that the outside unit does not kick in. Daniel


Is there some error code.? Without knowing error code, chances for yor your problem is:
If indoor working properly, there is communication problem between indoor and out door. Check for power in out door after 3 minutes of a/c switched on. If no power problem with your PCB. Replace it.

Jan 18, 2011 | Mitsubishi Heating & Cooling

1 Answer

Indoor Unit power on (green LED) blinking


Indoor is working? If yes, it's for waiting for compressor starting. Wait for 3 to 5 minutes. If still it's flashing, problem with indoor PCB.

Jan 14, 2011 | Heating & Cooling

1 Answer

Hello just replace the pcb for a mini split model# AQV12JA but not I have all the lights on indoor unit blinking. What's going on? Thanks In Advance


Make sure that all of the plugs are seated - take them back off and reseat them. Second, start looking for a dead short in the controls. If that doesn't fix, I would suspect a bad replacement board.....

Sep 01, 2009 | Samsung Heating & Cooling

1 Answer

Outdoor unit does not start. indoor unit fan does run.


by the sound of it the relay in the outdoor section is bad

May 31, 2009 | Heating & Cooling

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