Ravenheat Boilers Error Codes / Fault Codes List Re April 9, 2021

Ravenheat Boilers Error Codes / Fault Codes List

Heating engineer fitting a boiler

What are the Ravenheat Boilers Fault Codes? A complete list of Ravenheat boiler error codes, including instructions for every model.

Ravenheat are no strangers to manufacturing cost-effective boilers. However, choosing the cheapest option is not always the way to go when investing in a new or replacement boiler. If you’re reading this article, you may be regretting your decision to buy (or the previous homeowner’s decision to buy) a Ravenheat boiler.

This article will help you identify your boiler’s error and fault codes so that you can inform your Gas Safe Engineer what the issue is. 

If you’ve had just about enough of your boiler breaking down or flashing lights at you and can’t fathom spending even more money getting it fixed, then get a boiler quote from WarmZilla. You can get a quote for a brand spanking new boiler in just a few minutes. All you need to do is answer some simple questions online about your current boiler, your home demands, and we will provide you with a list of suitable boilers for your home. 

With WarmZilla you can pay for your boiler using our boiler finance options. 0% APR finance is available over 2 years on selected boiler models. We guarantee to offer the cheapest combi boilers on the market. 

Before we get into the nitty-gritty of your Ravenheat boiler, let’s learn a little bit about Ravenheat as a company. 

Founded in 1987, Ravenheat is an independent boiler manufacturer with an annual production capacity of 80,000 units. Ravenheat claims to design and manufacture highly efficient, reliable boilers whilst keeping the costs to a minimum. 

After developing their first condensing boiler back in 1996, before they became compulsory in the U.K., Ravenheat is said to have become one of the leading providers in the industry. 

Since 1982, Ravenheat has become a member of several trade bodies and associations, including becoming a member of the HHIC since it formed in 2007, becoming a member of the All-party Parliamentary Group for Energy Studies since 1982, and a member of the Institute of Domestic Heating & Environmental Engineers since 1991. 

Ravenheat has four ranges of boilers available to purchase, the CS and CSI range, as well as the HE and HE Compact range. Their warranties and guarantees range from between 2 to 10 years. However, this is dependent on your boiler being installed by a certified Gas Safe Engineer and your warranty being activated upon purchase, otherwise, your warranty is invalid.

If you would like more information about the difference between a boiler warranty and a guarantee, we also have a blog that covers this.

Although you may not feel like there are any benefits of having a Ravenheat boiler, according to Ravenheat, there are some. These include:

  • Low Energy Use – Energy Band A
  • Whisper Quiet Operation
  • 5 Year Guarantee included
  • Compact & Light
  • Low Emissions Nox Class 5
  • Solar Compatible

While Ravenheat claims to be “no strangers to manufacturing reliable boilers”, what do customers think about Ravenheat boilers?

If your search for Ravenheat in Trustpilot, for a claimed leading provider, the results are pretty worrying. With only 2.3 stars out of 5 and only 10 reviews and a huge 60% of these being negative, you understandably start to question the reliability and efficiency of these boilers.

When comparing these ratings to well-known boiler brands such as Worcester Bosch, who have over 26k reviews on Trustpilot and 4.6 stars out of 5 and Baxi, that have over 27k review and a score of 4.5 stars, you would be better off purchasing a new or replacement boiler with a boiler manufacturer that you can rely on a bit more for build quality and customer service.

If you are looking for a new or replacement cost-effective boiler, we have a blog discussing the ‘Best Cheap Combi Boiler (2021)’ or ‘What are the best new boilers to buy in 2021?

If you suspect an issue with your Ravenheat boiler, we have provided a list of their fault/error codes that could help you to identify the issue and potentially point it out to your Gas Safe Engineer.

Ravenheat Boiler Error Codes

Fault CodesSystem Behaviour 
F73Heating circuit pressure sensor fault
F74Heating circuit pressure sensor fault
F76Thermal fuse fault
F77Fault in gas valve motor
F83No water in the installation – the temperature does not increase when the burner is lit
F84Permanent temperature difference between flow and return heating sensors
F85Flow and return heating sensors fault
F86Underfloor heating contact fault
ERRUser interface fault
04Domestic hot water (DHW) sensor faulty

Ravenheat CSI 120 Boiler Error Codes

Fault Code  System Behaviour
17Possible issue with fan voltage
01Boiler failed to ignite – problem with gas valve operation, fan failing to start, ignition control board and cable

Failed low water – pressure switch or pump, possible issue with pump, incorrect system pressure, or the low water switch pressure needs replacing

12Failed heating sensor – issue with heating sensor and could need replacing
04Failed overheat – the overheat thermostat needs checking
30Failed flue temperature – check the operating system
31Failed flue temperature – the flue sensor needs checking or replacing
02Failed temperature – try resetting the boiler

Ravenheat CS 80/90, WH System, WH 80/90 Boiler Error Codes

Fault CodeSystem Behaviour
E02Problem with the pump circulation
E03Flow sensor damaged
E04Domestic hot water (DHW) sensor damaged
E05Problem with fan – possibly no signal
E06Central heating (CH) sensor is overheating
E08Low water pressure
E09Overheat sensor overheating
E10High water pressure
E13Software error
E21Central heating (CH) return sensor overheating
E22Flue sensor overheating
E23Flue sensor damaged
E24Central heating return sensor error – possibly damaged
E25Main heat exchanger frozen

Domestic hot water (DHW) sensor overheating error

E31OpenTherm communication error
E41Different flow/return temperatures
E42Different temperature error
E43Different temperature error
E44Different temperature error
E46Water pressure sensor error – could be open or short

Ravenheat HE 80/90 HE 25-30s, HE 80-98s, HE 8-98s or HE 25-30s Compact Error Codes

Fault CodeSystem Behaviour
02EProblem with the pump circulation
03EFlow sensor damaged
04EDomestic hot water (DHW) sensor damaged
05EProblem with fan, possibly no signal
06ECentral heating sensor is overheating
08ELow water pressure
09EOverheat sensor overheating
10EHigh water pressure error
13ESoftware error
21ECentral heating return sensor overheating
22EFlue sensor overheating
23EFlue sensor damaged
24ECentral heating return sensor error, possibly damaged
25EMain heat exchanger frozen
29ED.H/W sensor overheating error
31EOpenTherm (OT) communication error
41EDifferent temperature between flow and return
42EDifferent temperature error
43EDifferent temperature error
44EDifferent temperature error
46EWater pressure sensor error -could be open or short

We hope that this blog has given you some insight on what the issue with your Ravenheat boiler may be. 

Below is a complete list of Ravenheat boiler manuals that may help you a little further if your fault isn’t mentioned in one of the tables above, thanks to our friends over at freeboilermanuals.com for the Ravenheat Boiler Manuals.

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