What does the Ideal Vogue Max E520 fault code mean?
The E520 fault code on the Ideal Vogue Max indicates a sensor fault, typically related to the temperature or pressure sensors within the boiler. This issue can prevent the boiler from operating efficiently or safely, requiring attention to restore functionality.
Common Causes
- Faulty Temperature Sensor: The temperature sensor may be malfunctioning or damaged, leading to incorrect readings and triggering the fault code.
- Wiring Issues: Damaged or loose wiring connections to the sensor can cause communication failures, resulting in the E520 error.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair this fault, as working with gas appliances can be dangerous. Attempting to fix sensor issues without proper training may lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E520 fault code is approximately £150 to £250, depending on whether the sensor needs replacement or if wiring repairs are required. This cost reflects the price of parts and labour for a qualified engineer.