Introduction
Potterton boilers are known for their durability and efficiency, but like any appliance, they may occasionally display error codes to indicate a problem. This guide breaks down the most common error codes, helping you determine which can be resolved at home and which require a Gas Safe engineer.
DIY-Friendly Error Codes
Some Potterton error codes point to simple issues that you may be able to fix yourself:
- E119 - Low Water Pressure
- Action: Check the boiler pressure gauge. If it’s below 1 bar, re-pressurise the system using the filling loop until it reaches between 1-1.5 bar.
- E133 - Gas Supply Issue
- Action: Ensure the gas supply is turned on. If you use a prepayment meter, check your credit. If the issue persists, call an engineer.
- E110 - Boiler Overheat
- Action: Bleed radiators to release trapped air and allow proper circulation. Reset the boiler and monitor its performance.
- E125 - Circulation Fault
- Action: Check if radiators are warm and bleed them if necessary. If cold spots persist, the system may require flushing
When to Call an Engineer
The following error codes indicate more complex issues that require professional attention:
- E20 - Central Heating Sensor Fault
- E28 - Flue Thermistor Fault
- E160 - Fan Fault
- E168 - PCB Lockout
- E193 - Circulation Issues
If your boiler displays one of these error codes, avoid further attempts to restart it and contact a Gas Safe engineer to diagnose and repair the fault safely.
Additional Resources
For more detailed troubleshooting and maintenance guidance, refer to your boiler manual. If you don’t have a copy, you can download one for free from:
For 24/7 support, give us a call or message us directly. We’re here to help!
Get in Touch
If your Baxi boiler is displaying an error code or isn’t performing as it should, don’t wait. Book a service with Prime Gas Heating today. Our team of Gas Safe engineers ensures your boiler stays safe and efficient all year round.
- Call: 07930 233 455
- Email: team@primegasheating.com
Explore more troubleshooting guides in our FAQ Series to keep your home warm and worry-free!
