Model reference
LG AMNN186L/M/NTA0
Air Conditioner
1 document12 error codes5 service modes
Available documentation
Service Manual
- Multi Air Conditioner SVC MANUAL(Exploded View)124 pg
MyPros+ Max
Diagnose your LG AMNN186L/M/NTA0.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (12)
CodeMeaning
1Indoor temperature thermistor open/short or indoor pipe temperature thermistor…10DC low voltage error.11High pressure or instantaneous power failure.13Overload combination error.14Discharge pipe temperature overheating.2Outdoor temperature thermistor open/short or outdoor pipe temperature…3Wired remote controller communication error.4Drain pump error.5Poor communication between indoor and outdoor units.7Difference operation8CT / Current error.9DC Peak errorService modes (5)
- forced_operation_cassette_typePress the forced operation button for 2 seconds.
- forced_operation_room_art_cool_typeSet the slide switch on the main unit to the forced operation position while power is on, or supply…
- test_operation_cassette_typePress the forced operation button for 5 seconds.
- test_operation_convertible_typePress forced operation switch for about 3 seconds.
- test_operation_room_typePress the timer cancel button five times continuously.
Full entry steps, exit procedures, and test sequences are available in Max.
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