FE95 High
Your boiler has detected an issue with the sensor that monitors external water flow temperature, meaning it cannot accurately gauge how much heat is needed for your system.
Technical description: External flow sensor out of range or short circuit/External flow sensor measures a temperature outside of normal workingrange.
Typical repair cost: £120-210 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like FE95 — no call-out fees, no surprises.
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Parts commonly replaced
- External temperature sensor
- NTC thermistor
- Wiring harness
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