What does the Baxi 600 Series E168 fault code mean?
The E168 fault code on the Baxi 600 Series indicates a problem with the temperature sensor, which is responsible for monitoring the boiler’s temperature. This fault can lead to inefficient heating or the boiler shutting down to prevent damage.
Common Causes
- Faulty Temperature Sensor: The sensor may be malfunctioning or damaged, leading to incorrect temperature readings.
- Wiring Issues: Damaged or loose wiring connections to the temperature sensor can disrupt its function, causing the fault code to appear.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair the issue, as working with gas appliances can be dangerous. Attempting to fix electrical components without proper training can also pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty temperature sensor on a Baxi 600 Series boiler is approximately £150 to £200. This includes the cost of the part and labour, reflecting the typical pricing for a qualified engineer’s service.