Blog What to do about W051C for JP Heater combi boilers? November 27,2023 110 code: window open switch Error Code & Warning Code of the Diesel Combi July 25,2023 63 Code: Open circuit of glow plug Error Code & Warning Code of the Diesel Combi July 04,2023 31 code: Ignition failure Error Code & Warning Code of the Diesel Combi June 29,2023 169 Code: abnormal power failure Error Code & Warning Code of the Diesel Combi May 17,2023 220 Code: AC 220V no connection. JP Heater Error Code & Warning Code of the Diesel Combi May 11,2023 How to connect the valves of JP Combi Heater? JP Heater Combi Heaters May 02,2023 Diesel Combi Heater Installation JP Heater April 20,2023 How to install the fuel pump (with the damper) ? Cooking Heaters / Water Heaters / Air Heaters / Combi Heaters April 18,2023 How to install the fuel pump(without damper) ? Cooking Heaters / Water Heaters / Air Heaters / Combi Heaters April 15,2023 1 CATEGORIES Combi HeatersAir HeatersWater HeatersCooking HeatersError Code & Warning Code of the Diesel Combi