What does the Vaillant ecoTEC exclusive F87 fault code mean?
The F87 fault code indicates a problem with the remote access feature of the Vaillant ecoTEC exclusive boiler. This typically means that the boiler is unable to connect to the internet or the remote control system.
Common Causes
- Network Connectivity Issues: The boiler may not be connected to the Wi-Fi network, or there may be issues with the router.
- Faulty Control Module: The internal control module responsible for remote access may be malfunctioning or damaged.
Can I fix it myself? (DIY)
Before attempting any fixes, ensure that your Wi-Fi network is functioning properly. If the issue persists, it is advisable to call a Gas Safe Engineer, as electrical components may require professional handling.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F87 fault could range around £150 to £250, primarily due to potential replacement of the control module and associated labour costs.