Lambert Lx 24 Fi Manual English Jun 2026

The is a high-performance, conventional wall-hung gas boiler designed to provide efficient heating and domestic hot water for residential applications. Engineered for reliability, it features a balanced flue system—indicated by the "Fi" designation—ensuring safe and modern operation [1].

. Designed for both central heating and domestic hot water (DHW), it features a 24 kW output and a stainless steel burner for high efficiency. Technical Specifications Lambert Lx 24 Fi Manual English

Also, would you like to add or modify any section ? The is a high-performance, conventional wall-hung gas boiler

, then press Reset. Check if your radiator valves are open and ensure the pump is spinning. Air trapped in the heat exchanger can also trigger this. E03: Flue Gas Discharge / Air Pressure Switch Failure Designed for both central heating and domestic hot

Always defer to the official printed manual provided with your boiler, especially for wiring diagrams, gas rate tables, and installation dimensions. Keep this article bookmarked as a quick-reference companion, and never hesitate to call a qualified heating engineer when an error lies beyond the reset button.

| Code | Meaning | User Action | |------|---------|--------------| | | Ignition failure (no flame after 3 attempts) | Press Reset. Check gas supply (other appliances working?). If persists, call engineer. | | E02 | Flame loss during operation | Reset boiler. Check flue terminal for wind or blockage. | | E03 | Low system water pressure | Repressurise to 1.5 bar (see section 4.4). | | E05 | Overheating (flow temp > 95°C) | Check radiator valves are open. Bleed air from system. | | E10 | Fan or flue pressure switch fault | Cannot be user-reset. Contact engineer. | | E34 | External sensor fault (if installed) | Call engineer. Boiler will run on default curve until fixed. |