Detailed Guide on Checking Electrolux Air Conditioner Error Codes
To check the error codes of Electrolux air conditioners, follow these instructions:
+ Step 1: Point the remote control towards the indoor unit.
+ Step 2: Simultaneously press and hold the “CHK” or “Check” button until the display shows 2 numbers 00.
+ Step 3: Press the up-down arrow button, and when the air conditioner displays an error code accompanied by a beep, that is the issue your Electrolux air conditioner is facing.

Electrolux Air Conditioner Error Code Chart with Numbers and Letters
The chart for Electrolux air conditioner error codes with numbers and letters includes the following issues:
+ Error Code E1: Room temperature sensor malfunction.
+ Error Code E2: Anti-freeze protection.
+ Error Code E3: Refrigerant blockage or leakage.
Error Code E4: High-temperature protection for compressor exhaust.
Error Code E5: AC overcurrent protection.
Error Code E6: Communication error between indoor and outdoor units.
Error Code E8, H4: High-temperature warning.
Error Code H6: No feedback from the fan motor of the indoor unit.
Error Code LP: Communication error between outdoor and indoor units.
Error Code L3: Fault in the outdoor unit fan motor.
Error Code L9: Current protection activated.

Error Code F0: Refrigerant condensation detected.
Error Code F1: Room sensor open or short circuit.
Error Code F2: Pipe temperature sensor open or short circuit.
Error Code F3: Outdoor unit sensor open or short circuit.
Error Code F4: Pipe temperature sensor open or short circuit in the outdoor unit.
Error Code F5: Discharge sensor open or short circuit.
Error Code F6: Overload/drop limit detected.
Error Code F8: Overcurrent/drop limit detected.
Error Code F9: High discharge temperature warning.
Error Code FH: Anti-freeze protection limit.
Error Code H1: Defrosting.
Error Code H3: Overload protection for the compressor.
Error Code H5: IPM protection.
Error Code HC: PFC protection.
Error Code EE: EEPROM error.
Error Code PH: High voltage protection PN.
Error Code PL: Low voltage protection PL.
Error Code U7: Abnormality in the 4-way valve.

Error Code P0: Low frequency of compressor in test run mode.
Error Code P1: Standard frequency of compressor in test run mode.
Error Code P2: Maximum frequency of compressor in test run mode.
Error Code P3: Average frequency of compressor in test run mode.
Error Code LU: Power warning.
Error Code EU: Temperature warning.
Other Error Codes on Electrolux Air Conditioners
Besides the common errors mentioned above, there are additional errors that may occur on Electrolux air conditioners. Specifically:
- Power loss error
Error Signs: Opening the fuse without hearing the air conditioner beep.
+ Root cause: Loose circuit, faulty fuse, or malfunctioning control board on the air conditioner unit.
- Remote control malfunction
+ Indication: Remote signals to the control board on the air conditioner, but the unit does not respond when buttons are pressed.
+ Root cause: Malfunctioning remote control, depleted batteries, or a faulty control board on the air conditioner unit.
- Unpleasant odor emitted from the air conditioner
+ Indication: Electrolux air conditioner emits an unpleasant odor.
+ Root cause: The air conditioner emits a gas odor due to refrigerant leakage or a musty smell caused by prolonged lack of cleaning and maintenance.
- Air conditioner unit malfunction
+ Indication: Water leakage from the unit, condensation on the unit's casing, misty air blowing from the unit, and frost accumulation on the unit.
+ Root cause: Water leakage from the unit due to clogged drainage pipes, frost accumulation on the unit due to a non-spinning or slow-spinning unit fan.
- Air conditioner not cooling
+ Indication: Feeling of stale and warm air when using the air conditioner.
+ Root cause: Air conditioner running out of gas or low on refrigerant, potential issues with the outdoor unit fan, or a malfunctioning control board on the indoor unit.

Here are some error codes on Electrolux air conditioners along with our compiled troubleshooting methods. We hope this guide proves useful for you when using Electrolux air conditioners!
Some notable models of Electrolux air conditioners in Vietnam that you may consider when making a purchase include: Electrolux Inverter ESV12CRR-C3 – 12,000BTU; Electrolux Inverter 9000BTU ESV09CRR-C7; Electrolux Inverter ESV12CRO-B1 – 12,000BTU; Electrolux Inverter ESV09CRR-C3 – 9,000BTU; Electrolux Inverter ESV18CRR-C3 – 18,000BTU; Electrolux Inverter ESV09CRO-B1 – 9,000BTU; Electrolux Inverter ESV09CRO-D1 9,000BTU; Electrolux Inverter ESV12CRO-D1 – 12,000BTU; Electrolux Inverter ESV18CRO-D1 – 18,000BTU; Electrolux Inverter 9000BTU ESV09CRS-B2…