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