Encountering an error code on your Panasonic aircon? Understanding these codes can help you diagnose and fix common issues quickly. At Aircool Aircon, we provide detailed information on Panasonic aircon error code, including: E1/E2/E3 Codes – Indicate problems with the indoor or outdoor unit sensors. U4 Code – Suggests a communication error between indoor and outdoor units. H1/H2 C... https://aircool.com.sg/panasonic-aircon-error-codes/