55
Operating data on heating circuits with mixer can only
be called up if such components are installed in the
system.
Note
If a called up sensor is faulty, "- - -" appears on the
display.
Calling up operating data
Tap the following buttons:
1. and OK simultaneously for approx. 4 s, then
release.
2. Use / to select "b.3" for diagnostics.
3. OK
4. Use / to select the required entry.
Note
Use / to view "d.8" Serial number of heat
generator in sections.
5. OK
Diagnosis and service checks
Diagnosis (cont.)
6179762
Diagnosis
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