Air Conditioner Error Codes

 Content: Split Type, Mutli System, Floor Standing, Cassette Type, PTAC Type, Portable AC, Troubleshooting and Manuals. If there is a fault on any  LG Universal Unit , a two digit number will appear on the remote controllers led display. If the unit does not have a remote controller the fault will be displayed using the LED’s on the front of the indoor unit. The “Units” digit of the fault code is shown by the power led which has the following symbol by it. This is usually Red, but on a few models it is Green. LG AC Error Codes and Troubleshooting The “Tens” digit will be displayed by one other led, usually the “Sleep” or “Filter” lamp. Error Indicator: The function provides self-diagnosis and displays an error code if there is any trouble. Error codes are displayed on the Indoor unit’s Wired Remote as CH**, and/or Fascia Display. In addition, the code is indicated via LED’s on the outdoor unit control board. If more than two troubles occur simultaneously, the lower number of e...

  Error Codes; Indicate different types of unit failures, assist in self-diagnosis and to track the frequency of occurrence. Error codes are shown on the LED of indoor units, wired remote controller, the outdoor unit control board, and on the main screen of the LG Monitoring View (LGMV) Diagnostic Software. If two or more errors occur simultaneously, the lower error code number is displayed first. After error is resolved, the error code does not display. Error Display; The first, second, and third number on the LED indicates error number; the fourth number on LED indicates outdoor unit number. Examples: 211 = Error No. 21 on master unit, 213 = Error No. 21 on slave2 unit, Error No. 105 on master unit on compressor 1. Error Code Nomenclature Definitions; MICOM: Non-volatile memory chip where unit setup information is stored. EPROM: Non-volatile memory chip where device identification, size, and factory defined default component operating parameters are stored.   LG Multi V Erro...