What does the Glow-worm Easicom E200 fault code mean?
The E200 fault code on the Glow-worm Easicom indicates a fault with the domestic hot water (DHW) sensor. This issue can prevent the boiler from effectively heating water for taps and showers.
Common Causes
- DHW Sensor Failure: The sensor may be malfunctioning or damaged, leading to incorrect temperature readings.
- Wiring Issues: Damaged or loose wiring connections to the DHW sensor can disrupt communication between the sensor and the boiler control board.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and gas safety regulations. Attempting repairs without proper training can be dangerous.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing the DHW sensor is approximately £150 to £200. This includes the cost of the part and labour, as sensor replacement typically requires professional expertise.