Model reference
LG AMNH09GDE*0
Air Conditioner
6 documents34 error codes35 service modes
Available documentation
Service Manual
- Multi Type Air Conditioner SERVICE MANUAL259 pg
- Multi Type Air Conditioner SERVICE MANUAL249 pg
- LG Multi Type Air Conditioner SERVICE MANUAL248 pg
- Multi Type Air Conditioner SERVICE MANUAL248 pg
- Multi Type Air Conditioner SERVICE MANUAL268 pg
- Multi Type Air Conditioner SVC MANUAL (Exploded View)237 pg
MyPros+ Max
Diagnose your LG AMNH09GDE*0.
- 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 (34)
CodeMeaning
01Indoor room thermistor error (open/short)02Indoor inlet pipe sensor error (open/short)03Communication error between indoor unit and wired remote controller04Drain pump / float switch error (float switch open)05Communication error between indoor and outdoor unit06Indoor outlet pipe sensor error (open/short)07Different mode operation error between indoor units105Communication error between main board and fan board in outdoor unit21DC Peak / IPM Fault22CT 2 (Max CT)23DC Link Low Voltage24Low/High pressure switch open25Low voltage / Over voltage26DC Compressor Position Error27PSC fault28DC link high voltage (above 420Vdc).32Discharge pipe temperature high (Inverter)33Discharge pipe temperature high (Normal/Constant compressor)40CT Sensor error (open/short)41Inverter discharge pipe thermistor error (open/short)44Outdoor air thermistor error (open/short)45Condenser pipe sensor error (open/short)46Suction pipe sensor error (open/short)47Constant compressor discharge pipe thermistor error (open/short)51Over capacity52Communication error between main micom and sub micom in outdoor unit53Communication error between indoor and outdoor unit (outdoor side display)54Outdoor 3-phase power supply error60EEPROM Check Sum Error61Condenser pipe temperature high (65°C or above)Service modes (35)
- Address Monitoring (Wireless Remote)Press Chaos Swing (6) and Reset (13) keys simultaneously to enter Address Monitoring Mode
- Address Monitoring Mode (Wireless Remote Controller)Press Chaos Swing (6) and Reset (13) keys simultaneously.
- Address Monitoring Mode (Wireless Remote)Press Chaos Swing (6) and Reset (13) keys simultaneously.
- Address Setting Mode (Wired Remote Controller)Press Program (13) and Set/Clear (16) keys simultaneously for more than 3 seconds
- Address Setting Mode (Wired Remote)Press Program (13) and Set/Clear (16) keys simultaneously for more than 3 seconds. Set address…
- Address Setting Mode (Wireless Remote Controller)Press Jet Cool (5) and Reset (13) keys simultaneously for more than 3 seconds
- Address Setting Mode (Wireless Remote)Press Jet Cool (5) and Reset (13) keys simultaneously for more than 3 seconds. Set address using…
- address_setting_wired_remote["Press Program (13) and Set/Clear (16) keys simultaneously for more than 3 seconds to enter…
- address_setting_wireless_remote["Press Jet Cool (5) and Reset (13) keys simultaneously for more than 3 seconds to enter Address…
- E.S.P. (External Static Pressure) Setting1
- E.S.P. (External Static Pressure) Setting (Duct/Cassette)1
- ESP (External Static Pressure) Setting Mode1) Turn on unit with On/Off button
- ESP Setting Mode (Duct Type)1
- ESP Setting Mode (Duct/Cassette Wired Remote)1
- ESP Setting Mode (Duct/CST Wired Remote)1
- esp_setting_duct["Press On/Off button to start the unit.","Press Timer and Wind buttons simultaneously for more…
- Forced OperationMove the slide switch on the main unit from the remote control position to the forced operation…
- Forced Operation (Cassette Type)Press the operation button for 2 seconds.
- Forced Operation (Indoor Unit - Slide Switch)Switch the slide switch on the main unit to the forced operation position while power is on, or…
- Forced Operation (Main Unit)Set the slide switch on the main unit to the forced operation position while power is on, or supply…
- Forced Operation (Room Type)Set the slide switch on the main unit from remote control position to the forced operation…
- Forced Operation (Slide Switch)Set the slide switch on the main unit to the forced operation position while power is on, or supply…
- Forced Operation (Wall Mounted)Switch the slide switch on the main unit from the remote control position to the forced operation…
- forced_operation["On the indoor unit main body, locate the forced operation slide switch.","Switch from remote…
- Indoor Unit Address Setting (Wired Remote)1
- Indoor Unit Address Setting (Wireless Remote)1
- Test Run (Cassette Type - Wired Remote)Press the room temperature checking button and down timer button simultaneously for 3 seconds.
- Test Run (Cassette Type)Press the operation button for 5 seconds.
- Test Run (Cassette Wired Remote)Press the room temperature checking button and down timer button simultaneously for 3 seconds.
- Test Run (CST Wired Remote)Press the room temperature checking button and down timer button simultaneously for 3 seconds.
- Test Run (Room Type)Press the timer cancel button five times continuously.
- Test Run Start (Cassette Type)Press the operation button for 5 seconds.
- test_run_cassette_type_button["Press the forced operation button for 2 seconds to start forced operation.","Press the forced…
- test_run_cassette_wired_remote["Press the room temperature checking button and down timer button simultaneously for 3 seconds."]
- test_run_room_type["Press the timer cancel button five times continuously on the remote controller."]
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