Have you ever seen a strange symbol appear on your oil boiler’s display and wondered what it means? As local OFTEC-registered heating engineers, we know that these error symbols can be confusing, especially if you’re suddenly left without heating or hot water. Understanding these alerts is the first step towards getting your system running smoothly again, and in some cases it may even prevent further issues. If problems do persist, arranging professional oil boiler repairs is the safest solution.
Why Do Oil Boilers Display Error Symbols?
Modern oil boilers are designed with built-in diagnostics that highlight faults using error symbols or codes. These indicators help homeowners identify when something isn’t working as it should. While some alerts are simple reminders, others flag up more serious problems that require expert attention.
The benefit of these systems is that they give you an early warning before the problem becomes costly. However, it’s important not to ignore them. A small issue today could quickly escalate if left unresolved.
Common Oil Boiler Error Codes
Manufacturers use different oil boiler error codes, but a few are widely recognised across models:
- Lockout symbol: This usually means the boiler has tried to fire but failed. Common causes include lack of fuel, air in the line, or ignition failure.
- Flame failure symbol: Often linked to issues with the burner, such as dirty components or a faulty photocell.
- Low pressure symbol: Indicates a drop in water pressure within the system. This can affect efficiency and should be corrected promptly.
- Overheat warning: Suggests the boiler is running too hot, potentially due to circulation problems or a blocked heat exchanger.
Each of these codes signals that something needs attention. Some can be resolved by checking oil levels or resetting the boiler, while others require professional diagnosis.
When to Call a Heating Engineer
Not every error code means an emergency, but it’s best not to take chances. If you notice repeated lockouts, unusual noises, or leaks around the system, it’s time to call for oil boiler repairs. Trained engineers can run a full fault check, clean components, and replace any worn parts safely.
For homeowners looking for peace of mind, regular servicing and oil care plans are an excellent way to prevent issues before they happen. Scheduled inspections catch small problems early and keep your boiler working efficiently throughout the year.
Could It Be a Fuel Supply Issue?
Sometimes error symbols are triggered by something as straightforward as the fuel supply. Low oil levels, blockages in the line, or even a problem with the oil tank can cause the boiler to stop working. If you haven’t checked your tank recently, it’s worth a look. Our oil tank services cover everything from inspections to replacements, helping ensure your fuel supply is reliable.
Staying Safe and Warm
While it may be tempting to ignore error symbols or attempt a DIY fix, this often creates more problems in the long run. Boilers are complex systems, and working on them without the right training can be dangerous. Instead, take the error code as a prompt to call in a qualified heating engineer.
We’re here to help you understand what your boiler is telling you, resolve faults quickly, and keep your home warm all year round.
If your system is showing error symbols or you’re worried about ongoing issues, get in touch today for expert oil boiler repairs.