BoilerFaultCodes
Ravenheat Boiler Fault Codes
394 fault codes across 11 Ravenheat boiler models — explained in plain English.
Leeds-based UK manufacturer of gas boilers and warm air units.
Just want the most common Ravenheat problems?
The top 8 faults across the whole Ravenheat range — causes, DIY checks, repair costs.
High-severity Ravenheat fault codes
17 01 28 12 04
Your boiler has stopped working because the fan is not receiving the correct electrical power needed to safely clear exhaust fumes.
CSI 120
Your boiler has failed to light, which means you will not have any heating or hot water until the issue is resolved.
CSI 120
Your boiler has detected that there is not enough water pressure or flow to operate safely, which is preventing your heating and hot water from working.
CSI 120
Your boiler's internal thermometer for the central heating system has stopped working correctly, which means the system cannot monitor or control the water temperature.
CSI 120
Your boiler has sensed that it is getting too hot and has shut itself down to prevent damage or safety issues.
CSI 120
All models