Check the temperature limiter
If the burner control unit cannot be reset after a fault shutdown, although the
boiler water temperature is below approx. 75 °C, check the temperature limiter.
1. Pull the leads from temperature
limiter A.
2. Check the continuity of the tempe-
rature limiter with a multimeter.
3. Remove faulty temperature limiter.
4. Coat the replacement temperature
limiter with heat conducting paste
and install.
5. To reset press „Reset“ key on the
control unit.
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