DISPLAY INFORMATION
6 720 648 726 (2011/07)
81
e
[a/2/2|
e
[8/1/6|
e
Fault:
RC25-HK2 communication. RC25 addressed
incorrectly, wired incorrectly or defective.
No
Off
Since there is no
actual room
temperature
information, room
influence and
optimization of the
switch times do not
work.
e
[a/3/2|
e
[8/0/7|
e
Fault:
The contacts to the heating circuit flow
sensor have shorted or are interrupted, the
sensor has been connected incorrectly or is
defective.
No
Off
Heating circuit pump
2 is activated
depending on the
preset value. The
power to the mixer
is switched off and
the mixer stays in
the state it was last
put in (can be
adjusted manually).
e
[a/3/2|
e
[8/1/6|
e
Fault:
MM10 not available or no communication.
The heating circuit addresses on the MM10
and the RC35 do not match up, the MM10 or
the bus circuit is connected incorrectly or is
defective, MM10 is not recognized by the
RC35.
No
Off
Heating circuit 2
cannot be operated
correctly. MM10 and
the mixer
automatically goes
into emergency
operation. Heating
circuit pump 2 is
activated
continuously.
Monitor data in the
RC35 is invalid.
e
[c/a/\|
e
[2/8/6|
e
Fault:
The return temperature sensor has
measured a return temperature higher than
105 °C.
Yes
flashing
1 Hz
No heating operation
and no DHW.
e
[c/u/\|
e
[2/4/0|
e
Fault:
The contacts for the return temperature
sensor have shorted.
Yes
flashing
1 Hz
No heating operation
and no DHW.
e
[e/l/\|
e
[2/9/0|
e
Fault:
The UBA 3 or the KIM is defective.
No
Off
No heating operation
and no DHW.
e
[e/\/\|
9)
e
[2/4/2|
–
[2/8/7|
e
Fault:
The UBA 3 or the KIM is defective.
Yes
flashing
1 Hz
No heating operation
and no DHW.
Display codes
Display code
LED on
UBA 3
Other effects
z
Main
display
code
z
Sub
display
code
z
Key to display code
Reset
requi-
red?
Table 24 Display codes