Question about LG LSC121PMA Split System Air Conditioner

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Air conditioner my air conditioner is saying c6 and the fan outside is not working and when you turn the power off at the main switch it works for awhile

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Remote control units have diagnostic program in the
control, after 3 to 5 minutes of operating if the diagnostic
tools detect abnormal operation, then its shutdown the unit
to protect from damage. Thermistor sensor is one of the
parts that detect the operation of the unit. Out of range
or defective thermistor can shut the operation of the unit.
-
If your indoor and outdoor is clean start the unit in cool mode and monitor the outdoor pipes. If your suction pipe is icing or dry then your unit is under charge, but if your suction is cold and sweating then the system is ok and sure that the thermistor sensor is defective.
- Out of range thermistor sensor in both return air and freeze up sensor can cause the tripping “off “ the unit. The resistance of both thermistor is 8 to 10k ohms, so can test by using ohm meter


air conditioner - fc7c791.jpg

Posted on Jan 12, 2008

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because the fan inside the house is working doesn't mean that the compressor outside is working
It may be a faulty start /run capacitor for the outside unit ,out of gas or failed power board
I suggest that you get an accredited technician to come and give you a proper diagnosis of the fault.

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Jan 24, 2013 | Fujitsu 24C1 Air Conditioner

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Unit stops rinning after 15 minutes ande a sign appears in the window saying c6. turn off unit at main switch and wait for 15 minutes and unit starts adain for a further 10 to 15 minutes and cuts off...


Compressor run current high. Check condenser coil dust blocked. Clean it. Check fan motor- if less rpm, replace capacitor.
Best solution:Do water Service and then check. If still amps gradually increase, replace capacitor.

Thanks and hope helpful.

Jan 28, 2011 | LG Heating & Cooling

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Is the fan on the outside unit supposed to turn when the heat is on or only for the air conditioner? Our unit is omitting a strange odor and the fan will not move even if we switch the unit to air...


The outside fan is used when ever the compresser needs to be cooled. So depending upon the outside temp as well as the temp of the refrigeration, it may not come on. When you say "our unit is ommiting a strange odor" are you refering to the outside condenser? or from the air handler? and what does it smell like? Please give us more to work with to be able to help you. Yes there are people looking and working on problems here at Fixya.com.

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Air con unit saying 'C6"


According to the service manuals:

6 is:
Excessive current at inverter
DC power circuit

so the unit shouldnt run?!?

The fault is also coming up as:
indoor unit coil sensor faulty

source:
http://www.mylg.co.uk/data%20for%20site/LG%20Fault%20Codes%20for%20SMS%20%2807%20Sept%29.pdf

all the best


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Try turning the power off at the fuse box, waiting 5 minutes turning the system back on and spray some water on the vents on the side of the outside condenser. If the fan isnt spining get a twig and spin it in an anti-clockwise direction after 1 or 2 spins it should start spinning on its own. continue to hose the vents with water for another 5 minutes. Its important to have the fan spinning as it extracts the heat from the condenser box.

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