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Updated: March 21, 2024

What are boiler fault codes?

Boiler fault codes are alphanumeric codes generated by boilers to indicate specific problems or faults that may be occurring within the system. These fault codes are designed to help homeowners, heating engineers, or technicians troubleshoot and diagnose issues with the boiler more efficiently.

What are boiler fault codes?

Boiler fault codes are alphanumeric codes generated by boilers to indicate specific problems or faults that may be occurring within the system. These fault codes are designed to help homeowners, heating engineers, or technicians troubleshoot and diagnose issues with the boiler more efficiently.

Ravenheat Boilers Error Codes

Ravenheat are well-known for producing boilers which are cost-effective and efficient. That being said, boilers of top quality do sometimes tend to have certain issues. On this page you will find the error codes or faults of Ravenheat boilers and what they indicate, in addition to possible ways to fix these issues.

A short history of Ravenheat

Ravenheat was founded in 1987 as an independent boiler manufacturer with an annual production capacity of 80,000 units. According to the company, they produce and design boilers which are highly efficient, reliable and as well as cost-effective. Ravenheat has produced their first condensing boiler back in 1996, even before it was compulsory is the UK. This made them one of the leading providers in the heating industry.

Moreover, Ravenheat has become a member of several trade bodies and associations since 1982. This includes becoming a member:

  • HHIC since 2007
  • All-party Parliamentary Group for Energy Studies since 1982
  • The Institute of Domestic Heating & Environmental Engineers since 1991.

Ravenheat has four ranges of boilers available to buy. These include the following:

  • The CS range
  • The CSI range
  • The HE range
  • The HE Compact range

They have warranties and guarantees that 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 will be invalid.

Read about:  Boiler Error Codes

What are the benefits of Ravenheat boielrs?

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

Read more: Combi boilers common faults  

Ravenheat Boiler Error Codes:

Error CodesThe Problem
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

Read more: Common Sime Boiler Error Codes

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

Error CodeThe Problem
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
E29Domestic 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

Read about: Ferroli Boiler Error Codes

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

Error CodeThe Problem
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

Read more about: Biasi Boiler Error Codes / Fault

Ravenheat CSI 120 Boiler Error Codes:

Error Code  The Problem
17Possible issue with fan voltage
01Boiler failed to ignite – problem with gas valve operation, fan failing to start, ignition control board and cable
28Failed 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

Read about: Ariston Boiler Error and Fault Codes

Best Brands of System Boilers & Pricing

However, in some cases, getting a new boiler might be more cost-effective than getting your old boiler fixed. Some issues might be costly to fix. What is more, a new boiler will probably be more efficient and can help you save both money and energy. That is why getting a new boiler is a good investment in the long run.

Get a quote from Let’s Heat. We have a large range of products and our staff of Gas Safe engineers provides an excellent service that is both professional and reliable. In addition, we can help you get the boiler that best fits your house and heat requirements.

Read more about:

Glow-Worm Boiler Error Codes

Intergas Boiler Error Codes

FAQs

Do Ravenheat still make boilers?

The company has head offices and training facilities in Leeds in Northern England and has become successful in not just the UK but also right across Europe. Ravenheat makes 80.000 units each year and is well-known for developing reliable gas-fired combi, system and regular boilers that boast high levels of efficiency.

How long do Ravenheat boilers last?

Your new boiler should last for at least 10 years so it’s important that you make the right choice now.

How do I reset my Ravenheat boiler?

you can manually reset your boiler by pressing mains boiler on/ off switch (1). 1.4. 3 A RED warning intermittence light on the control panel (8) warns of a high temperature lockout on the overheat thermostat. This could occur due to air or poor circulation in the boiler/heating circuit.