What does CH05 mean on LG inverter type aircond

1 ANSWERS

1. Guest5957
   

   CH05 is a  fault code, it basically shows the  communication error  caused due to malfunctioning between the indoor and outdoor units.
   
   CH05 error is usually caused by  wiring errors or condensate pumps connected to the inter-connecting cable.The communication between the units is a fluctuating DC voltage commonly called a serial signal, it can be easily lost if the wiring is not done correctly. If there is a communication error fault CH05 will appear within 5 mins of powering up the system.

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