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C6 error on airconditioner

I have been called to a site with an LG high wall airconditioner model: s12ahn (outdoor)

It has a C6 error.

I reset the power at the power point and all looks good now.
What does this error mean and should i be looking further?

Andrew

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6 - DC Peak Error

• Supplied power is not normal

• Comp Connector (CN-U,V,W) is disconnected or inserted to wrong

position

• Compressor is damaged (coil short) ? replace compressor

• Too much Refrigerant
• Defect in outdoor pcb assembly ? replace pcb assembly


Try turning power off to external unit, usually resets diagnostics and runs OK. If not PCB external unit likely culprit, replace!

Posted on Dec 20, 2010

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Posted on Jan 02, 2017

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Error code C6


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Hi,

The first thing i'll say is you will need to get it repaired by a technician and i strongly recommend you not to do it by urself.

Remote control units have diagnostic program in the
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3683b64.jpg


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Mar 08, 2008 | LG LSC183VMA Split System Air Conditioner

1 Answer

Our airconditioner has the code C6 on it. It has cut out and displayed that code. We were instructed to turn it off at the power board and turn it back on, which we did. It went back on again and tried to...


I previously asked you, if the C6 appear on the unit or on the hand held remote. I contacted a friend of mine who is a service technician for the LG Split System units and he advised that it's an error code that can only be solved by a LG trained service tech or LG itself. It may have been caused by a power surge, which may have caused some damage to the circuit board.

Sorry I couldn't be of more help.

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Hello have a inverter LG Airconditioner and it keeps turning itself off and showing the letters C6? Any ideas


Error Code: C6 Problem: Inverter compressor run current high

SOLUTIONS:
- check [resistance of] compressor windings all equal 1 to 4 ohms

- check [resistance] to earth 50 Mohm minimum

- check run current

I'd also check the motor capacitor(s)

Probably best to explain/print out and give to authorised serviceman
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There are two reasons for this one is that there is a "DC PEAK ERROR" meaning that there is a communication failure between indoor and outdoor pc board and not a condenser failure. The second could be that the indoor outlet sensor is faulty or is being missed by the intergrated circuit board. Either way I would look at the indoor pc board replacement. Hope this helps

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We have an LG SQ/SR/ST chassis inverter model air conditioner....the airconditioner keeps stopping with the screen display...C6 appearing. When we turn it off at the mains it seems to reboot it for a while...


i can figure out what model a/c you have from this discription/ is this a lg floor mod. or window model or lg duckless split system

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Still sounds like there is a problem with the fuser unit. The technician that replaced the parts should be able to troubleshoot the problem.
C6 = Fuser error. The unit is not heating up due to a bad Fuser lamp, fuse, or thermostat, or bad thermistor.
The circuit is open, and the machine won't work til the problem is repaired. Once open circuit is repaired/closed, the machine should reset on it's own after you power the machine down and back up.

Does the machine flash the C6 right away as soon as you turn it on OR, does the C6 show up after about 3-5 minutes?

If you get the C6 right away, then the circuit is open, and that needs to be fixed.

If you get a c6 after 3-5 minutes, then there is a good chance the lamp is bad.
Hope this helps.
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