Viessmann VITODENS 100-W Manual page 68

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Störungsbehebung
Repairs
(Fortsetzung)
68
2. Check the sensor resistance and
compare actual values with the
curve.
3. In case of severe deviation, drain
boiler on the primary side and
replace the sensor.
Gefahr
The boiler temperature sen-
sor is immersed in the hea-
ting water (risk of scalding).
Drain the boiler before repla-
cing the sensor.

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