Question about Samsung AS18A6RB Air Conditioner

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Problem in Samsung split AC indoor unit Model AS24WA. Front panel display does not work. Samsung technicians changed both PCB's - diaplay PCB and dc power generating PCB that connects to mains and display PCB. Checked temperature sensors too. Problem is not solved. Any solution ?

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Posted on Jan 02, 2017

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SOURCE: Sensor in my Samsung Split

The receaver is most likely broken?

Posted on May 24, 2008

  • 1 Answer

SOURCE: Samsung 1.0 ton(split) AC stops working during 36-37 degree C.

i believe you have a high pressure switch on your condenser that is going bad .it is a switch that has two red wires connected to it inside your outside unit

Posted on Feb 11, 2009

  • 1 Answer

SOURCE: ac split unit indoor an ouydoor unit electrical wiring diagram

machine off

Posted on Apr 25, 2009

  • 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

  • 1 Answer

SOURCE: my samsung split system a/c keeps shutting down,

I have a MH050FX A2 that is two head unit and they run only one at a time, when I turn both on, one will shut down. I get an error code of E2 01 with a, I beleive correction code of U C8. Can you help me with a diagnosis??

Kelly Sheehan

Posted on Jul 27, 2009

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1 Answer

No visual lights on display, but vcr works


Displays have their own power supplies if you are referring to a Floro tube. The two things that happen to them is the filaments come lose and due to poor soldering and in some units there were DC-DC converters that converted 12 V to 35 Vdc for the segment drive section of the tube. First is to inspect the filaments terminals usually two of them on each end of tube- this might require taking the front panel off and then the front PCB out of the unit- a job for a Technician. If these are soldered well and they usually are not due to wave solder, then check for AC voltage there 4-6 Vac then on to the DC-DC converter and check for 0-35 Vdc. The failure of the DC-DC converter is often times Electrolytic caps going bad after so many years- 20 years ago I was already changing a lot of them on Hitachi decks. It is a well know problem Now with so many more years gone by the rest of the power supply now becomes a thing to check all voltages from.

Mar 28, 2016 | Televison & Video

1 Answer

My LG split Ac is running some times but some times not working and showing error code CH09


Split = Outdoor unit fan problem. Check Outdoor fan motor is plugged in, Electrically & Mechanically sound, if not replace motor, otherwise replace PCB.
Multi V= Indoor unit EEPROM error - Replace the indoor unit PCB, and then make sure to do Auto addressing and input the address of central control.

Jun 06, 2015 | LG Heating & Cooling

1 Answer

I have samsung split ac 1.5 ton 2.5 years old when am switch on the ac the indoor unit is working when it tires to on the out door unit after 3 minute delay suddenly the ac is restarting but the out d


Make sure all of the pressure switches are closed on the low voltage control circuit on the outdoor unit. If any are stuck open, the compressor will not kick on. Or just push the compressor contactor in with an insulated screwdriver to ensure the compressor does actually work.

Dec 28, 2014 | Samsung Heating & Cooling

1 Answer

Goes on when it wants to and it displays E1


can give the model of that aircon

Split type
E1 Indoor and outdoor communication abnormal
possible damage main PCB at outdoor units due to power supply problem.

Apr 08, 2014 | Haier HWR06XC6 Wall/Window Air Conditioner

1 Answer

I got a C9 error on a C12AWR artcool split ac which doesn't work anymore i replaced the mainboard of the outdoor unit which didn't help i replaced the fan motor which didn't help either does...


Split = Outdoor unit fan problem. Check Outdoor fan motor is plugged in, Electrically & Mechanically sound, if not replace motor, otherwise replace PCB. Multi V
= indoor PCB failure. Replace PCB.

Let me informed again if problem persists,.

Oct 25, 2011 | LG LA185HV Split System Air Conditioner

1 Answer

GE split air unit.remote is intermittent.I have 2 remotes same problem. Should I replace the display board or the pc board it plugs into?Which one controls the signal?


Replace new batteries and check. Switch off ac,remove any dc wire from indoor unit and then re-fix it.Now try. If still problem, repair/replace PCB

Jun 01, 2011 | GE Quiet-Aire Ductless Mini Split System...

1 Answer

Totally off


Check power in socket. If power switch on by remote. If not working, remove battery and replace new battery. And also check power in PCB board. if power, Switch power and remove DC wire to display in the indoor unit.and then refix again. Now, check again with remote. If still problem, PCB defective. replace it. Thanks.

Mar 09, 2011 | LG Art Cool LA181CNW Split System Air...

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 an LG split system air conditioner model number LSZ244VN-4 it is coming up with a fault code of CS after it has been running for approx 5 minutes


There is no CS code. Please read as C5.
Fault Code 05 and 53 (CH05 is displayed at indoor unit, 53 is displayed at outdoor unit)
This fault code indicates a communication error between the indoor and outdoor units; this is usually caused
by wiring errors or condensate pumps connected to the inter-connecting cable.
The communication between the units is a fluctuating DC voltage commonly called a serial signal, it can be
easily lost if the wiring is not done correctly. If there is a communication error fault CH05 will appear within 5
mins of powering up the system.
Testing
• Check Outdoor and Indoor Power Supply Voltages ( 230V ±10% ) and correct as necessary.
• Check for any mis-wiring or loose connections and correct as required.
• Check the resistance between communication line and GND. (Normal: Over 2M).
• If one Indoor unit operates normally Outdoor PCB is generally normal.
Turn on the power and start the indoor unit in cooling, set the temperature to 18ºC; the serial communication
signal will only be present for the first 3 mins of operation.
Set your meter to DC Volts, Test between terminals 5 (Red probe) and 2 or Earth (Black probe) of the outdoor
unit, you should see a fluctuating 0-72 Vdc.
If the Voltage is not present disconnect the terminal 5 cable, test the Voltage between this wire (Red probe)
and 2 or Earth (Black probe), you should see a steady voltage in the range of -0.1 to -10.0 Vdc. If No Voltage
is present either the cable or Indoor PCB must be faulty. This can be determined by checking the voltage
output on the Comms terminal of the Indoor unit, with the Comms wire disconnected. If No Voltage is present
the Indoor PCB must be faulty, if present, cable must be at fault.

Jan 19, 2011 | Heating & Cooling

1 Answer

My split system was working fine. Tuned it on and wont work. remote is working. do I need a tec to come and look at it.


Before calling a repairman, check your self by a volt meter.Confirm power is there in your indoor unit.If there green or red light in the unit displayed or not. If yes, try with your remote. If not check your PCB for fuse blown. Replace the fuse and check again.
Indoor unit display light and no work by your remote means communication error between your remote and unit. Try with other remote. If o.k. replace your remote. If not, problem with PCB receiving sensor. Repair it. Thanks and hope it's helpful?

Jan 08, 2011 | LG LSC121PMA Split System Air Conditioner

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