Vitotronic 200 / 300 Low
Your boiler's outdoor or return temperature sensors are reporting an error, meaning the system is running on a basic backup mode without its usual efficiency settings.
Technical description: Operation without influence of return water temperature
Typical repair cost: £120-280 (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 Vitotronic 200 / 300 — no call-out fees, no surprises.
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Parts commonly replaced
- Outside temperature sensor
- Return water temperature sensor
- Wiring harness
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