LG AC Error Codes and Troubleshooting 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
York Air Conditioner Error Codes York Air Conditioner Error Codes Error Codes Cause E0 Indoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error E1 Indoor and outdoor unit communication malfunction E3 Indoor fan speed malfunction E4 Indoor room temperature sensor error E5 Evaporator coil temperature sensor error EC Refrigerant leak detection system malfunction EE Water level alarm malfunction E8 Dual indoor unit (twin model only) communication malfunction E9 Other twin model malfunction F0 Overload protection F1 Outdoor temperature sensor error F2 Outdoor condenser pipe sensor error F3 Discharge air temperature sensor error F4 Outdoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error F5 Outdoor fan speed (DC fan motor only) malfunction F6 T2b sensor error F7 Auto-lifting panel communication error F8 Auto-lifting panel malfunction F9 Auto-lifting panel is open P0 Inverter module IPM protection P1 High/Low voltage protection P2
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