Self-Diagnosis; Overheating Protection; Freeze Protection - LG MFL67646801 Manual Del Usuario

Self-Diagnosis

FUNCTION:
If the unit has a malfunction, a green OPERATION LED 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.
The errors are the mentioned which is as follows:
• Electrical Controls
ON
OFF
Fault Codes
CH 01
CH 02
CH 07
CH 09
CH 10
CH 34
CH 44
CH 45
CH 67
NOTICE

• Overheating Protection

This feature prevents melting of unit by electrical heater located inside of the unit at the remote
mode (when the unit is connected with wall thermostat). LED on the control panel displays
"OP"

• Freeze Protection

This feature prevents freezing of room at low temperature.
LED on the control panel displays "FP"
All manuals and user guides at all-guides.com
Normal
No power / failed board
Indoor Air Thermistor Error
Indoor Coil Thermistor Error
Themostat Wiring Error
EEPROM Check Sum Error
Indoor Fan Error
High Pressure Switch Error
Outdoor Air Thermistor Error (PTHP Only)
Outdoor Coil Thermistor Error (PTHP Only)
Outdoor Fan Error
Control Locations
Owner's Manual 15