Baxi error code 168 typically indicates a problem related to an electrical overload or a defective Printed Circuit Board (PCB) within the boiler system. This error code serves as a safety warning, signaling that the boiler has encountered an issue preventing its normal operation.
Understanding Baxi E168 Fault
When your Baxi boiler displays the E168 error, it's a critical indicator that demands attention. The boiler's control system has detected an irregularity that could compromise its safety or functionality. This fault is primarily associated with two core issues:
- Boiler Overload: This occurs when an excessive amount of electricity flows into the boiler system. To prevent damage to internal components and ensure user safety, the system is designed to automatically trip or shut down when such an overload is detected. This safety mechanism then triggers the E168 error code. It's a sign that the electrical input is beyond the boiler's safe operating parameters.
- Defective Printed Circuit Board (PCB): The Printed Circuit Board is the central control unit for your boiler, often referred to as its "brain." It manages and coordinates all the boiler's functions, from ignition to water heating and safety checks. A fault or malfunction in this intricate electronic component can lead to a wide range of operational issues, including the incorrect signaling of an E168 error or a genuine fault that the PCB cannot properly manage, as detailed by Allstar Systems Plumbing & Heating.
What to Do When E168 Appears
Encountering an E168 error means your boiler requires professional attention. Given that the causes relate to electrical systems and core control components, it is not recommended for homeowners to attempt repairs themselves.
- Safety First: If you suspect an electrical overload, it's crucial to ensure your safety. Do not attempt to reset the boiler multiple times if it keeps tripping.
- Consult a Qualified Engineer: A Gas Safe registered engineer is equipped to diagnose the exact cause of the E168 error. They can determine if the issue is indeed an electrical overload, a faulty PCB, or another related component.
- Diagnosis and Repair:
- For boiler overload, the engineer will investigate the electrical supply to the boiler and the internal wiring to identify the source of the excessive current. This could involve checking for short circuits, power fluctuations, or issues with other connected appliances.
- For a defective PCB, the engineer will typically test the board's functionality. If found faulty, the PCB will likely need to be replaced, which is a specialized task due to its crucial role and cost.
Addressing the E168 error promptly is essential to restore your boiler's function and ensure the safety of your heating system. For further reading on this specific error, you can consult resources such as the Allstar Systems Plumbing & Heating blog.
