Question about LG LMU360CE/LMAN090CNS Split System Air Conditioner

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Showing the digital thermostat CH02 indoor pipe temperature thermisor error

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Posted on Jan 02, 2017

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SOURCE: mrv system the problem in a caset type it give me

your indoor thermistor has a open cicuit.replace it.

Posted on Oct 04, 2009


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Carrier Comfort Zone II Thermostat is blank and the 3 companion thermostats are all showing Error Code C1. What does that mean?

Hi Anonymous,
For all wall mounted and Artcool split system codes

Error code = C1 or CH1
Flashing Light = 1
Fault = Indoor temperature sensor open or closedcircuit.
Display = Indoor.
Indoor Operation = ON

Error code = C2 or CH2
Flashing Light = 2
Fault = Outdoor temperature sensor open orclosed circuit.
Display = Indoor Outdoor.
Indoor Operation = ON

Feb 14, 2015 | Carrier Heating & Cooling

1 Answer

Lg digital air cond show ch02 display

02 fault according to LG bible means that the indoor pipe sensor has failed. You will need to obtain a new sensor or get a Tech to supply and fit. The indoor unit needs to be accessed (Opened up) to repair this.

Dec 25, 2013 | Heating & Cooling

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Indoor pipe thermostat

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Aug 02, 2013 | LG Heating & Cooling

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Hi my LG healthplus inverter system split unit keep giving me a CH02 error code. how can i solve?

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

Jan 20, 2011 | LG Heating & Cooling

2 Answers

How to fix LG CH02 error

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

Jan 16, 2011 | LG Heating & Cooling

1 Answer

Get a CH02 error. Can't get service. No response.

i have the lg lp120hed units as well. i had a unit give me ch02 error a while back i replaced the unit with a the spare is not working either.

looking at the manual, ch02 error means "indoor coil thermistor error"....calling lg for that part now.

good luck.

Apr 01, 2010 | LG LP120HED Wall/Window Air Conditioner

1 Answer

Indoor temp is 5 degrees colder than display reads on digital thermostat

Where are you measuring the indoor temperature?
To compare it to the thermostat temperature you have to measure both temperatures at thermostat.
The thermostat will only control the temperature at the thermostat, not any where else in the room.
The room temperature depending on insulation in walls and ceiling and distance from outside wall and outside temperature, can be as high as 10° difference from outside wall to inside wall of house.
The lower the outside temperature, the greater the room difference in heating. The higher the outside temperature the greater the room difference in cooling.

Feb 13, 2010 | Honeywell Programmable Thermostat Heater

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