Baxi Repair Specialist

At Repair Network, there’s always a gas-safe registered engineer available to repair and service your Baxi boiler.
We offer nationwide coverage, a same and next day boiler repair service, a one year guarantee and fixed cost repairs.

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Baxi Boilers

Among the models of Baxi boilers are combi and heating options.
Since 1866, Baxi has been offering boiler options to its customers, becoming one of the most well-known brands and a household name by 1955. During its 100th year, Baxi introduced its first gas-fired boiler, cementing its commitment to innovation, design and the latest technology.
In its more than 150 years of operation, Baxi has become a world-class manufacturer of smart climate and sanitary hot water solutions. With an on-going dedication to the environment, the customer and the industry, Baxi continues to offer high-quality products that suit the needs of its many clients.
With products used across the globe, the Baxi brand continues to be one of the top choices for domestic heating, including in the UK.

Do you own any Baxi Boiler?

Require some form of repairs!

Book a certified technician with the tools and experience to repair all your Baxi Boiler!

03333449104

Available 9 AM to 7 PM

Same day or next day repair

Why Repair Network Nationwide?

Anytime your boiler isn’t working as it should, you need fast and reliable service that comes at an affordable cost. Repair Network is committed to giving each of its customers a prompt boiler repair service that is provided by a qualified and local engineer.
To avoid going too long without your boiler, choose an appointment time that suits your schedule. You’ll get a quick service call with our same and next day repairs and won’t have to live with the inconvenience and frustration of a broken boiler for too long.
With nationwide coverage, all of our local technicians are gas registered and can safely perform repairs. We’ll only send a technician with experience of working on your brand of boiler.
We never want you to have to buy a new boiler if it’s not necessary so our goal is to always repair it instead. Along with this repair, not replace policy comes our one-year guarantee.
You can see more about what our customers are saying by checking out our reviews on sites like Trustpilot.

What We Cover and What We Don’t

Our transparent pricing is the result of our commitment to customer satisfaction.
All of our boiler repairs come at a fixed price and won’t surprise you with any hidden fees. That cost includes genuine brand-approved parts and any labor involved in repairs.
You also get the peace of mind that goes with our one-year guarantee when you choose Repair Network for your Baxi repairs.
If our technician can’t repair your Baxi boiler, they will offer you a free, no-obligation quote for replacement, which includes installation.

What are the error codes Baxi boiler and what do the mean?

Determine the model of your Baxi boilers and look to the ahead for the various error codes and what they mean.

Find your Error Code

Baxi Boilers Error Codes

Error CodePossible Fault
H.01 - .00 Temporary Fault - Temporary loss of communication between gas valve and boiler board. Fault in air/gas unit. Loose connection to gas valve.
H.01 - .05 Temporary Fault - Maximum difference between the flow and return temperature exceeded. Non-existent or insufficient circulation. Sensor error.
H.01 - .08 Temporary Fault - Flow temperature increasing too fast in heating mode. Non-existent or insufficient circulation. Sensor error.
H.01 - .14 Temporary Fault - Maximum flow temperature value exceeded. Non-existent or insufficient circulation. Non-existent or insufficient circulation.
H.01 - .18 Temporary Fault - No circulation of water. Non-existent or insufficient circulation. Sensor error.
H.01 - .21 Temporary Fault - Flow temperature increasing too fast in DHW mode. Non-existent or insufficient circulation. Sensor error.
H.02 - .02 Temporary Fault - No input of parameters C1/C2. PCB not configured.
H.02 - .03 Temporary Fault- Incorrect configuration settings C1/C2.
H.02 - .04 Temporary Fault - Parameter error. Incorrect parameters.
H.02 - .06 Temporary Fault - System water pressure. Water leak on boiler. Water leak on system.
H.03 -.00 Temporary Fault - Communication error with NTC flue sensor. Sensor not, or badly connected. Bad connection. Sensor fault.
H.03 -.01 Temporary Fault - Communication error with the HMI PCB. HMI not connected.
H.03 -.02 Temporary Fault - No flame during operation. No ionization current.
E.00 - .04 Permanent Fault - Return temperature sensor open-circuit. Sensor not or badly connected. Bad connection. Sensor fault.
E.00 - .05 Permanent Fault - Return temperature sensor open-circuit. Sensor not or badly connected. Bad connection. Sensor fault.
E.01 - .02 Permanent Fault - Temperature measured by return sensor greater than flow sensor. Bad connection. Sensor fault. Sensor not or badly connected.
E.01 - .04 Permanent Fault - Loss of flame detected 5 times in 24 hours (With burner on). No ionization current.
E.01 - .11 Permanent Fault Requiring Reset - Incorrect fan speed. External draught over the boiler. Defective gas/air unit.
E.01 - .12 Permanent Fault Requiring Reset - Temperature measured by return sensor greater than flow temperature.
E.01 - .17 Permanent Fault Requiring Reset - No circulation. Sensor not or badly connected. Sensor fault.
E.01 - .20 Permanent Fault - Maximum flue gas temperature value reached (>140 Deg C). No circulation. Sensor fault.
E.02 - .00 Permanent Fault - Boiler reset in progress. Reset button has been pressed.
E.02 - .07 No or low system water pressure. Low system pressure (less than 0.5bar) boiler will not function.
E.02 - .16 Permanent Fault - On board CSU time-out. Check PCB for damage
E.02 - .17 Permanent Fault - Permanent loss of communication between gas valve and boiler PCB. Fault in air/gas unit. Loose connection to gas valve.
E.02 - .19 Permanent Fault - Jumper 1 changed. Check position of jumper 1.
E.02 - .20 Permanent Fault - Jumper 2 changed. Check position of jumper 2.
E.02 - .21 Permanent Fault - Jumper 3 changed. Check position of jumper 3.
E.02 - .47 Permanent Fault - Connection to external device unsuccessful. Check wiring to external device.
E.02 - .48 Permanent Fault - Configuration to external device unsuccessful. Check pairing to external.
E.04 - .00 Permanent Fault - Gas valve fault. Gas valve not detected.
E.04 - .01 Permanent Fault - Flow temperature sensor short-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
E.04 - .02 Permanent Fault - Flow temperature sensor open-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
E.04 - .03 Permanent Fault - Critical flow temperature reached. Non-existent or insufficient circulation.
E.04 - .04 Permanent Fault - Flue temperature sensor short-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
E.04 - .05 Permanent Fault - Flue temperature sensor open-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
E.04 - .06 Permanent Fault - Critical flue gas temperature value reached. No circulation. Sensor fault.
E.04 - .08 Permanent Fault - Maximum safe temperature value reached. (Safety thermostat open-circuited). No circulation. Sensor not or badly connected. Bad connection. Sensor fault.
E.04 - .10 Failure to light (could be gas supply issue).
E.04 - .12 Permanent Fault - False flame signal. Short-term fluctuation of the mains. Ionization current present even though there is no flame. The burner remains very hot (CO2 too high). Defective gas/air unit.
E.04 - .13 Permanent Fault - Fan rotor blocked. Fan seized. Wiring to fan damaged
E.04 - .17 Permanent Fault - Problem with gas valve. Defective gas/air unit.