Question about LG LSC121PMA Split System Air Conditioner

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Not cooling and shutting off, indicator light flashes

Within 5 minutes of turning on the air-con, it will turn itself off. In this time it will not have any cooling effect at all. When the aircon shuts off, the power light will flash.

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The outdoor indictor light on my lg split comes on after some minutes on the one inside and the cooling has reduced please can any1 tell me what the problem is

Posted on Aug 29, 2013

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Posted on Jan 02, 2017

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  • 400 Answers

SOURCE: LG LS-Q09BUL INVERTER AIR CONDITIONER

This is possibly either a complete outdoor pc board error or an E-Prom error on the indoor pc board. You can try shutting down supply power completely for a minute and then switch on. These units also have a delay timer system which does not like to be switched on, off repeatedly in a short period. Please also check for reset button on the outdoor pc board. Hope this helps.

Posted on May 14, 2009

  • 400 Answers

SOURCE: Airconditioner LG LSk181-N2 shutting off

Sounds like your aircon is stuck on heating mode. Or. The outdoor fan speed is affected by ambient temperature, or low refrigerant. In heating mode the indoor fan will come on for a while to sense temperature and will then wait for the outdoor unit to pump up pressure and build up heat.

Posted on Mar 04, 2009

  • 6 Answers

SOURCE: air con indoor unit is flashing 6 times out door is off

Please specify the make and model of your unit.
If this is a LG inverter model.
The six flashes of the indoor unit light indicates a CH 06 alarm.
This alarm state indicates that the indoor unit pipe temperature sensor has measured a temperature out of range or the unit is protecting itself from this low temp state. Indoor unit coil temperature to low. Should it have reached a temperature of -5°C for longer that 30sec it will switch the machine off.

It could indicate that the unit refrigerant charge is too low or the sensor has gone out of calibration.

It should measure 5kΩ @ 25°C

Posted on Mar 22, 2010

hvac1960
  • 2133 Answers

SOURCE: LG split inverter model LSL122V3

Communcation error between in and out.

Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

Posted on Dec 31, 2010

hvac1960
  • 2133 Answers

SOURCE: indoor unit flashes 5 times. error code meaning?

E-5 -Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

Posted on Jan 03, 2011

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