Display Function; Self-Diagnosis Function - LG TCM 18 Service Manual

Display Function

1. Heating Model
Operation Indicator
• Coolling, Soft Dry, Fan, Heating
Timer Indicator
• Timer Mode
Sleep Timer Indicator
• Sleep Mode
Deice Indicator
• Hot-start, Deice
Note)
For normal operation after checking by test mode, you should press SW1 nine times for resetting or reconnect
the power cord.

Self-diagnosis Function

1. Protection of the evaporator pipe from frosting
If the temperature of the indoor pipe is below -2°C after 7 mins from starting the compressor, the compressor
and the outdoor fan is stopped, and then after 3 mins delay of the compressor and the temperature of the
indoor pipe is over 7°C, the compressor and the outdoor fan is reoperated.
2. Thermistor Cut Off or Short
Cut Off/Short : Blinks on and off the operation mode LED. (0.5 sec ON/3 sec OFF)
2. Cooling Model
Operation Indicator
• Coolling, Soft Dry, Fan
Timer Indicator
• Timer Mode
Sleep Timer Indicator
• Sleep Mode
Outdoor Unit Operation
• Outdoor Unit Operating
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