Modern ACs display error codes when something goes wrong. Understanding these codes helps you communicate the issue to technicians and may even help with simple DIY fixes. Here's a comprehensive guide to common AC error codes.
Common Error Codes by Brand
Daikin AC Error Codes
•E0: Protection device activated - Call technician•E1: Indoor unit PCB error - PCB repair or replacement needed•E3: High pressure protection - Gas or compressor issue•E5: OL (Overload) protection - Compressor or voltage issue•E7: Swing motor error - Motor repair or replacement•F3: Discharge pipe temperature too high - Gas or coil issueLG AC Error Codes
•CH01: Indoor unit PCB communication error - PCB issue•CH02: Indoor/outdoor communication error - Wiring check needed•CH05: Abnormal current on IPM - Compressor or PCB issue•CH21: Current phase error - Electrical issue•CH28: EEPROM error - PCB replacement neededSamsung AC Error Codes
•E1: Communication error between indoor and outdoor units•E2: Overcurrent protection activated - Compressor issue•E3: Power failure or voltage issue•E9: Water level sensor error - Drain issue•E121/E122: Indoor/outdoor pipe temperature errorVoltas/Blue Star Error Codes
•E1: Indoor temperature sensor error - Sensor replacement•E2: Evaporator temperature sensor error•E3: Condenser temperature sensor error•E4: Water level sensor error - Drain pipe cleaningWhat to Do When AC Shows Error Code
Step 1: Note down the error code (take a photo)
Step 2: Turn off the AC using the remote
Step 3: Turn off the main power supply for 2 minutes
Step 4: Turn the power back on and restart the AC
Step 5: If the error persists, call Home Fixer at 08851017494
Tell the error code to our technician when booking. This helps us prepare the right tools and spare parts for faster repair.
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