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Laura SantosJul 29, 2025
What to do if Webasto Air Top 3500 does not switch off automatically?
- JJustin MillerJul 29, 2025
If your Webasto heater isn't switching off automatically, there are several potential causes. It could be due to an underpowered vehicle electrical system, no combustion after start and restart, flame-out during operation, or the heater overheating. Try switching off the heater momentarily and then switching it back on. If overheating is suspected, also check the heating air ducting for any obstructions and allow the heater to cool down.
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