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
  • 998 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

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Posted on Jan 02, 2017

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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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1 Answer

How do I get the fault codes up on a Panasonic split air conditioning system CUE24FKR


14.2.2 To Make a Diagnosis1 Timer LED starts to blink and the unit automatically stops the operation.
2 Press the CHECK button on the remote control continuously for 5 seconds.
3 "- -" will be displayed on the remote control display.
Note: Display only for "- -" (No signal transmission, no receiving sound and no Power LED blinking)
4 Press the TIMER ? or ? button on the remote control. The code "H00" (no abnormality) will be displayed
and signal will be transmit to the main unit.
5 Each press of the button (? or ?) will increase error code
number and transmit error code signal to the main unit.
6 When the latest abnormality code on the main unit and
code transmitted from the remote control are matched,
Power LED will light up for 30 seconds and a "beep" sound
(continuously for 4 seconds) will be heard. If no codes are
matched, Power LED will light up for 0.5 seconds and no
sound will be heard.
7 The breakdown diagnosis mode will be canceled unless
pressing the CHECK button continuously for 5 seconds or
operating the unit for 30 seconds.
8 The LED will be off if the unit is turned off or the RESET
button on the main unit is pressed.
Diagnosis
display Abnormality / Protection control Abnormality
Judgement Emergency operation Primary location to verify H00 No abnormality detected - Normal operation H11 Indoor / Outdoor abnormal communica
tion > 1 min after starting
operation Indoor fan operation
only • Internal / external cable connections
• Indoor / Outdoor PCB H14 Indoor intake air temperature sensor
abnormality Continue for 5 sec. - • Intake air temperature sensor (detec
tive or disconnected) H15 Outdoor compressor temperature sensor
abnormality Continue for 5 sec. - • Compressor temperature sensor
(detective or disconnected) H16 Outdoor Current Transformer open cir
cuit - - • Outdoor PCB
• IPM (Power transistor) module H19 Indoor fan motor mechanism locked 7 times occurance
continuously - • Indoor PCB
• Fan motor H23 Indoor heat exchanger temperature sen
sor abnormality Continue for 5 sec. O
(Cooling only) • Heat exchanger temperature sensor
(detective or disconnected) H24 Indoor heat exchanger temperature sen
sor 2 abnormality Continue for 5 sec. - • Heat exchanger temperature sensor
(detective or disconnected) H27 Outdoor intake air temperature sensor
abnormality Continue for 5 sec. O • Outdoor temperature sensor (detec
tive or disconnected) H28 Outdoor heat exchanger temperature
sensor abnormality Continue for 5 sec. O • Outdoor heat exchanger temperature
sensor (detective or disconnected) H30 Outdoor discharge air temperature sen
sor abnormality Continue for 5 sec. - • Outdoor temperature sensor (detec
tive or disconnected) H33 Indoor / Outdoor wrong connection - - • Indoor / Outdoor supply voltage H38 Indoor / Outdoor mismatch (brand code) H50 Ventilation motor abnormality 7 times occurance
continuously - • Indoor PCB
• Ventilation motor H51 Nozzle lock abnormality 2 times occurance
continuously - • Nozzle H52 Limit switch abnormality - - • Indoor PCB H97 Outdoor fan motor mechanism locked 2 times occurance
within 30 minutes - • Indoor PCB
• Fan motor H98 Indoor high pressure protection - - • Air filter dirty
• Air circulation short circuit H99 Indoor heat exchanger anti-freezing pro
tection - - • Insufficient refrigerant
• Air filter dirty F11 Cooling / Heating cycle changeover
abnormality 4 times occurance
within 30 minutes - • 4-way valve
• V-coil F90 PFC control 4 times occurance
within 10 minutes - • Voltage at PFC F91 Refrigerantion cycle abnormality 2 times occurance
within 20 minutes - • No refrigerant
(3-way valve is closed) F93 Compressor rotation failure 4 times occurance
within 20 minutes - • Compressor F95 Cool high pressure protection 4 times occurance
within 20 minutes - • Outdoor refrigerant circuit F96 IPM (power transistor) overheating pro
tection 4 times occurance
within 30 minutes - • Excess refrigerant
• Improper heat radiation
• IPM (Power transistor) F97 Outdoor compressor overheating protec
tion 4 times occurance
within 10 minutes - • Insufficient refrigerant
• Compressor F98 Total running current protection 3 times occurance
within 20 minutes - • Excess refrigerant
• Improper heat radiation F99 Outdoor Direct Current (DC) peak detec
tion 7 times occurance
continuously - • Outdoor PCB
• IPM (Power transistor)
• Compressor

Note:
"O" - Frequency measured and fan speed fixed.
The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until "beep" sound heard following by pressing the "CHECK" button at remote controller.
Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors (refer to Error Codes Table) by using remote controller or Auto Switch at indoor unit. However, the remote controller signal receiving sound is changed from one "beep" to four "beep" sounds.

Oct 13, 2017 | Panasonic Heating & Cooling

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

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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