boilerrepairs

common boiler fault codes

common boiler fault codes and their meanings for various popular boiler brands:

Worcester Bosch

  1. EA – Flame not detected
  2. E9 – Overheat
  3. A1 – Low water pressure
  4. A7 – Hot water temperature sensor fault
  5. C1 – Fan fault

Vaillant

  1. F22 – Low water pressure
  2. F27 – Flame detected when burner is off
  3. F28 – Ignition problem
  4. F29 – Flame extinguished during operation
  5. F75 – No pressure change when the pump is running

Baxi

  1. E119 – Low water pressure
  2. E133 – Gas supply fault
  3. E160 – Fan fault
  4. E168 – Error code not defined (often related to system issues)
  5. E110 – Boiler overheat

Ideal

  1. F1 – Low water pressure
  2. F2 – Flame loss
  3. F3 – Fan fault
  4. F4 – Thermistor fault
  5. L2 – Flame loss during operation

Glow-worm

  1. F1 – Ignition fault
  2. F4 – Ignition fault
  3. F9 – Overheat lockout
  4. F13 – Flow temperature sensor fault
  5. F16 – Flame detected when the burner is off

Ariston

  1. 108 – Lack of water in the system
  2. 501 – Burner lockout
  3. 302 – Heating sensor fault
  4. 104 – Overheating
  5. 301 – Domestic hot water sensor fault

These codes can vary slightly based on the model and series of the boiler. Always refer to the specific manual for your boiler model for the most accurate and detailed information.

Similar Posts

  • Common Boiler Problems

    Boilers are essential components of many heating systems, providing hot water and heat to homes and businesses. However, they can encounter a range of common problems that can affect their performance and efficiency. One of the most frequent issues is the loss of pressure. This can be caused by a variety of factors, including leaks…

  • do water conditioners work?

    Water conditioners can be effective, but their effectiveness depends on the type of water conditioner and the specific water issues you’re addressing. Here’s a breakdown of different types of water conditioners and their effectiveness: For a tailored solution, consider having your water tested and consulting with a water treatment professional to determine the best option…

  • Does my combi boiler need servicing ?

    Yes, your combi boiler does need regular servicing to ensure it operates safely, efficiently, and reliably. Here are some key reasons why servicing is important: Safety: A regular service checks for potential safety issues, such as gas leaks or carbon monoxide leaks, which can be dangerous. Efficiency: Servicing ensures your boiler is running efficiently, which…

  • Power flushing

    Power flushing is a highly effective method used to clean and maintain heating systems, ensuring optimal performance and longevity. This process involves the use of a specialized machine that pumps water at high velocity through the system, combined with powerful cleansing agents to remove sludge, rust, and other debris that accumulate over time. These contaminants…

  • how Do I Know if My Boiler Is Economical?

    Determining whether your boiler is economical involves evaluating several key factors that influence its efficiency, operating costs, and environmental impact. First and foremost, you should consider the boiler’s age and model. Modern boilers, especially condensing boilers, are designed to be more energy-efficient than older models, typically boasting efficiency ratings of 90% or higher. These newer…

Leave a Reply

Your email address will not be published. Required fields are marked *