LG LP155HED1 Owner's Manual - Page 15

ENGLISH Self-Diagnosis Control Locations FUNCTION: If the unit has a malfunction, a green OPERATIONLED located on the Display PCB used by the unit to indicate the errors. USE: If the customer has to register a complaint to the service center, he can be very clear about registering the complaint that what is happening & by referring the user's manual the customer can clearly define the problem. So that the engineer should go fully prepared with the prescribed tools to be used regarding that problem. It also keeps the customer aware about the unit. Here are some of the problems defined below for which the LED indicates by flashing number of times the error has been reconrded against it. The errors are the mentioned in the (Table 13) which is as follows: ON OFF Fault Codes CH 01 CH 02 CH 03 CH 04 CH 05 CH 06 CH 07 Normal No power / failed board Indoor Air Thermistor Error Indoor Coil Thermistor Error Outdoor Air Thermistor Error (PTHP Only) Outdoor Coil Thermistor Error (PTHP Only) Mode Error Setpoint Error Bad Thermistor Wiring Owner's Manual 15