– banging, whistling, or gurgling can indicate air in the system, a failing pump, or a blocked heat exchanger.
Turn the main mode selection knob to the sun icon. In this configuration, the boiler only fires up when a hot water tap is opened. lambert lx 24 fi instrukcia hot
To help find the exact issue with your boiler, please let me know: What is currently showing on your LCD display? – banging, whistling, or gurgling can indicate air
Features a double heat exchanger system for improved comfort. a failing pump