Ravenheat Boiler Fault Codes

94 fault codes across 17 Ravenheat boiler models — explained in plain English.

Leeds-based UK manufacturer of gas boilers and warm air units.

94 fault codes
17 models documented
6 currently sold
11 legacy models

Ravenheat fault codes on this site

We document 94 fault codes across 17 Ravenheat models, covering 27 distinct codes. Ravenheat boilers use a mix of numbered codes and light or status indications. Codes for 17 of these models are taken directly from the manufacturer's own service or installation manual.

Models covered: CSI 120, HE 80/90 / 25-30s, CSI 85, RSF 82E, Csi Primary, CSI, Rsf, Little Star, HE80 98S, HE120 / HE150, White Heat WH 80/90, RSF 82 ET, RSF 100E*, RSF 100ET*, RSF 84E*, RSF 84ET*, CSI 85T.

Codes that appear on the most Ravenheat models:
17 28 12 04 30 31
Just want the most common Ravenheat problems?
The top 8 faults across the whole Ravenheat range — causes, DIY checks, repair costs.
Most serious

High-severity Ravenheat fault codes

17
Your boiler has stopped working because the fan is not receiving the correct electrical power needed to safely clear exhaust fumes.
CSI 120
 01
Your boiler has failed to light, which means you will not have any heating or hot water until the issue is resolved.
CSI 120
 28
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
 12
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
 04
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

17 Ravenheat boiler models

CSI 120
Combi Discontinued
10 fault codes · 1997-2002
HE 80/90 / 25-30s
CombiSystem Discontinued
5 fault codes · 1996-2002
CSI 85
Combi
7 fault codes · 1998-present
RSF 82E
Combi Discontinued
10 fault codes · 1998 onwards
Csi Primary
Combi Discontinued
8 fault codes · 1999 onwards
CSI
System Discontinued
2 fault codes · 1997-2002
Rsf
Combi Discontinued
10 fault codes · 1997-2002
Little Star
Combi Discontinued
4 fault codes · 2006-2015
HE80 98S
Combi Discontinued
4 fault codes · 2000-2005
HE120 / HE150
Combi Discontinued
6 fault codes
White Heat WH 80/90
Combi Discontinued
11 fault codes
RSF 82 ET
Combi Discontinued
10 fault codes · 1998 onwards
RSF 100E*
0 fault codes · 2001-present
RSF 100ET*
0 fault codes · 2001-present
RSF 84E*
0 fault codes · 2001-present
RSF 84ET*
0 fault codes · 2001-present
CSI 85T
Combi
7 fault codes · 1998-present
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