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Manufacturing defect in samsung air conditioner

The PCB is found faulty. Programming is not done properly. sensor is not working properly. there is usually a problem of leakage from the indoor unit of the AC there is also Ice formation in the indoor unit of the AC. We have complained many a times in the samsung, they came n tried to rectify the problem but since the manufacturing defect cant be resolved the problem remained as it is.

Posted by shilpi on

  • 2 more comments 
  • Anonymous Mar 09, 2008

    my air conditioner split system leeks water inside from the unit



    Could you tell me why and what to do to fix it

  • Anonymous May 26, 2008

    Ice is forming on the indoor unit radiator, and even when the outside temperature is around 25 degrees Celsius the unit isn`t able to lower the inside temp. below 23 degrees Celsius. The symptom is manifesting at any given outside temperature. The heating mode is working properly (done also by the compressor).

  • meran Jul 21, 2008

    my samsung 9 btu when i on it.only the melody or music sound come out but the blower still not start or running.so can u tell me what is the faulty here .is the sensor or pcb board ?

  • neelSACHAR Apr 12, 2009

    Forming of ice on the fins and pipe. this started two yrs back

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Anonymous

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

Posted on Jul 23, 2009

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Anonymous

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Http://www.inspectapedia.com/aircond/ACCoilFrost.htm

Good info there! The culprit is usually a dirty blower.

Posted on Jul 01, 2010

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Anonymous

Nothing can be done for this except to replace the control unit.
ask them to replace the control or replace the unit. chk if it is in warranty.???
Ravi

Posted on Feb 01, 2008

steven beasley

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I would get them to fix it for free or SUE!!! as long as it's a manufacturers defect and you can prove it then you can sue.
they have to fix it or else.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/stephen_171aeeebef53a898

Posted on Nov 21, 2007

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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


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The communication between the units is a fluctuating DC voltage commonly called a serial signal, it can be
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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.
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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
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1 Answer

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Fault Code 05.
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
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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. Helpful?

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