Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: AIR CONDITIONER LG S18AN
The operating LED will be blinking 5 times, means that there is a
comunication error (serial comunication) between the outdoor and the indoor unit.
Posted on Jan 20, 2009
The model number would be on the right hand side of the outdoor unit and same on the indoor unit if it is a midwall split. If it is a flat cassette cieling type you may need to open the grill, which is simply two little levers either side of the grill, and the grill will swing open. Without the model number it is difficult to give accurate info. However, I can offer the following. One, check the condensate drain. You can just blow into the drain pipe from the outside and this sometimes clears clogged mud in the drainpan. Or two, error reading can also come from phase failure (in the case of a three phase unit) or power related problem. This can be solved by switching off the mains and then switching on again to reset. If you have a phase failure you would need an electrician to confirm that the power supply is good. Unless you have a volt meter.
Posted on Mar 04, 2009
This alarm state is a CH 06 alarm.
Indication for the Indoor unit pipe temperature sensor (thermister) not plugged in or out of calibration.
This alarm will also occur when the unit gas charge is to low and the indoor unit temperature reached a temperature of -5°C for longer that 30 sec. It will switch the machine off.
Posted on Mar 22, 2010
CH-02 Indoor Pipe Sensor or Outdoor Sensor Assy fault, Open or Short. Disconnect from PCB and measure resistance. Air sensor = 10 kOhm at 25C, Pipe sensor = 5
kOhm at 25C. If not replace sensor
Posted on Dec 28, 2010
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