AC Error Codes Guide | Common AC Error Codes & Solutions - Home Fixer

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 issue

LG 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 needed

Samsung 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 error

Voltas/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 cleaning

What 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.

Frequently Asked Questions

How do I read AC error codes?+

Most ACs display error codes on the LED panel of the indoor unit. Some models use blinking patterns. Check your AC manual for the specific error code reading method for your model.

Can I fix AC error codes myself?+

Some minor errors like sensor errors can be fixed by restarting the AC. Most error codes indicate issues that require professional diagnosis and repair. Call Home Fixer for expert AC error code repair.

What does E1 error mean in AC?+

E1 error varies by brand but typically indicates a communication error between indoor and outdoor units or a PCB issue. Professional diagnosis is recommended. Call Home Fixer for same-day repair.

AC Error Codes Explained: Common Codes & What They Mean

Common Error Codes by Brand

Daikin AC Error Codes

LG AC Error Codes

Samsung AC Error Codes

Voltas/Blue Star Error Codes

What to Do When AC Shows Error Code

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