Deciphering AC Error Codes: Guide for Thane Homeowners
Published: Apr 15, 2026 by Lourds Editorial Team
AC display showing flashing codes like E6, F1, or C4? Learn what these diagnostics mean and when to call a professional.
Modern split AC displays show flashing error codes when internal sensors detect operational faults. Knowing what these codes mean helps you communicate the issue clearly to your repair team.
Common Codes
E6/E1: Communication error between indoor and outdoor units, often caused by loose wiring. F1/F2: Faulty room temperature or coil sensor. C4: Overheated outdoor unit, often due to blocked coils or a failing condenser fan.
Lourds Repair Support
Our technicians carry replacement sensors and control boards to resolve errors quickly. Call us to book a diagnostic visit.
Official Service Address
Lourds Aircool Service
Shop no 3, Shantiban Society, Masan Wada, Azad Nagar, Thane West, Thane, Maharashtra 400601.
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