Table of Contents
Main Boiler Error Codes
The Main boiler products include three boiler models with outputs that range from 15kW to 30kW. These models are:
The Main Eco Compact Combi boiler (output of 25kW and 30kW)
The Main Eco Compact System boiler (output of 15kW and 18kW)
The Main Eco Compact Heat only boiler (output of 15kW, 18kW, 24kW, and 30kW)
When it comes to efficiency and reliability, then you can rest assured that all Main boilers are endorsed by the Energy Saving Trust. As a result, Main boilers can help you reduce your energy bills as well as your carbon footprint.
This page can help you identify and understand what issues you may be having with your boiler. This can make it easier to tell your Gas Safe engineer what is wrong with your boiler.
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 smartadapt. We have a large range of products and our staff of Gas Safe engineers provide 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.
What are boiler fault codes?
Boiler fault codes are alphanumeric or numeric codes displayed by a boiler’s control panel or interface to indicate specific issues or faults within the heating system. These codes are designed to help both homeowners and technicians identify and troubleshoot problems more efficiently.
Read more about: Common Sime Boiler Error Codes
Who are Main Hearing?
Main Heating boilers are a part of Baxi Heating. Baxi is a heating company which is widely known in the UK and Ireland. They claim to be a trusted heating brand for residential and commercial heating.
According to the company, their aim is to create a cleaner and greener manufacturing business. They aim to develop new technologies that would help people heat their homes or businesses without harming the environment.
Read about: Ravenheat Boilers Error Codes
Main Boiler Error Codes
| Fault Code | The Problem |
| Main Error Code E168 | Error code E168 could possibly indicate that your boiler has detected a problem but can’t know exactly what the problem is. |
| Main Error Code E20 | Central Heating NTC Fault refers to faulty components. You Ought to make a note of the shown error code. |
| E28 | PCB Fault indicate faulty components |
| E50 | Hot Water NTC Fault could mean faulty components |
| E110 | Safety Thermostat operated – displayed when the primary water pressure is less than 0.5 bar. After repressurising the system the boiler should work. Your installer can advise you about the method of repressurising |
| E119 | Water pressure switch not operated – displayed when the primary water pressure is less than 0.5 bar. After repressurising the system the boiler should work. Your installer can advise you about the method of repressurising |
| E33 | Interruption Of Gas Supply or Flame Failure means that the gas supply has been interrupted, ignition has failed or the flame has not been detected. Make sure that the gas supply is not turned off, and turn the selector switch to the reset position and hold for at least 5 seconds. |
| E60 | Fan or fan wiring fault |
Read more: Combi boilers common faults
Glow-Worm Boiler Error Codes / Fault Codes
Main Eco Compact Boiler Error Codes
| Fault Code | The Problem |
| Main Error Code E09 | Gas valve connection error |
| Main Error Code E15V | Gas valve error |
| Main Error Code E20 | Central heating negative thermistor coefficient (NTC) sensor error |
| Main Error Code E28 | Flue negative thermistor coefficient (NTC) sensor error |
| Main Error Code E40 | Central heating return sensor error |
| Main Error Code E83 | Communication error |
| Main Error Code E109 | Pre-circulation fault |
| Main Error Code E110 | Safety thermostat operated |
| Main Error Code E118 | Primary system water pressure too low |
| Main Error Code E125 | in circulation |
| Main Error Code E128 | Error in flame |
| Main Error Code E130 | Flue negative thermistor coefficient (NTC) sensor operated |
| Main Error Code E133 | Interruption of gas supply or flame error |
| Main Error Code E135 | Interruption of gas supply |
| Main Error Code E154 | Flow return sensor temperature test |
| Main Error Code E160 | Fan or fan wiring error |
| Main Error Code E270 | Circulation fault (dry fire) |
| Main Error Code E321 | Hot water negative thermistor coefficient (NTC) error |
| Main Error Code E384 | False flame |
Read more: Navien Boiler Error Codes
Best combi boilers & boiler brands
FAQs
Are main boilers made by Baxi?
Main Heating, a subsidiary of Baxi, has a fantastic 75 years of experience in producing domestic gas appliances and are proud of their ‘straightforward’, ‘no frills’ approach to heating solutions.
How long do main boilers last?
The average lifespan for a boiler is between 10 and 15 years. You should make sure that your boiler is maintained properly in order to keep it functioning for as long as possible.
Who makes Baxi boilers?
Baxi is a part of the Netherlands based BDR Thermea Group, with their headquarters based in Apeldoorn. Baxi has been manufacturing in the UK since 1866.