Worcester Boiler Error Codes: Fault Finding: U9, A21, EA?

Worcester Boiler Error Codes: Fault Finding: U9, A21, EA?

WebE9 on Worcester Bosch means it's overheating. Unfortunatelly it's usually bigger problem, lack of circulation caused by blockage on pipe/filter or faulty pump. It might be also faulty sensor causing wrong indication or excess of air in main heat exchanger caused by faulty automatic air vent. Sorry but no exact answer to this without further ... WebFeb 20, 2024 · Hanging the boiler. Hang the boiler in a vertical position on the frame fixing points provided, with the flow and return connections pointing to the bottom of the unit. Connect the boiler to the heating system, ensuring isolation valves are fitted to the flow and return pipework. SEE THE HANGING PROCEDURE OVERLEAF. blackwoods mackay opening hours WebMar 19, 2024 · Fault Code: Issue: F73: Pressure sensor fault in the heating circuit: F74: Faulty sensor for the heating circuit pressure: F76: Faulty thermal fuse: F77: Faulty gas … WebFault Code Possible Cause; 208: The boiler is in chimney sweep mode: 200: The boiler is in heating mode: 201: The boiler is in domestic hot water (DHW) mode blackwoods mackay email address WebAug 6, 2024 · You will need to call a boiler engineer: E9: After the gas valve has closed ionisation has been detected: You will need to call a boiler engineer: E9 224: Thermostat high limit has been activated: Reset the boiler: E9 276: 95 degrees exceeded on primary flow temperature: Reset the boiler: EA: The flow temperature sensor has shorted: You … WebMay 18, 2024 · The Worcester Bosch E9 fault code indicates that the safety temperature limiter in your central heating flow stat has tripped. Check your system pressure to ... blackwoods mackay email WebMar 21, 2024 · The E9 fault code means that your boiler is at risk of overheating if it is forced to run, so you shouldn’t reset it. This isn’t just a safety measure to prevent gas …

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