Appendix
0020255037_00
multiMATIC
Operating instructions
25
Setting level
Values
Unit
Increment, select
Default setting
Min.
Max.
Basic settings
→
Max. room air humidity
→
Max. room air hum.
30
70
%rel
1
40
Basic settings
→
Default setting
→
Time programmes
Yes
,
No
No
Everything
Yes
,
No
No
Installer level
→
Enter code
000
999
1
000
B
Troubleshooting
Symptom
Possible cause
Measure
Display remains dark
Software error
1.
Switch off the mains switch on all heat generators for approx.
1 minute and then switch them on again.
2.
If the fault persists, inform the competent person.
No changes in the display when
the rotary knob is turned
Software error
1.
Switch off the mains switch on all heat generators for approx.
1 minute and then switch them on again.
2.
If the fault persists, inform the competent person.
No changes in the display
when the selection buttons are
pressed
Software error
1.
Switch off the mains switch on all heat generators for approx.
1 minute and then switch them on again.
2.
If the fault persists, inform the competent person.
Display view:
Button lock act-
ive To unlock, press OK for
3 seconds
, it is not possible to
change the settings or values
Button lock is active
1.
If you would like to change any of the values, follow the in-
structions on the display.
2.
Also read through the
Button lock
Activate (
→
Page 15)
function.
Display view:
Restricted opera-
tion/ comfort protection
, insuf-
ficient heating up of the heating
and the domestic hot water
Heat pump does not work
1.
Inform the competent person.
2.
Select the setting for limp home mode until the competent
person arrives.
3.
Read the "Temporarily setting limp home mode (
→
Page 18)"
function for more details.
Display view:
Fault F. Fault:
Heat generator 1
, the specific
fault code (e.g. F.33) and the
specific heat generator appear
behind F. in the display
Heat generator faults
1.
Press the
Reset
selection button.
–
Heat generator fault clearance?
appears in the display.
2.
Press the
OK
selection button.
–
Faults are cleared for the heat generator
briefly ap-
pears in the display.
3.
If the fault persists, inform the competent person.
C
Maintenance messages
The maintenance message
Service heat pump 1
is an example of a maintenance message that may appear for heat pumps
1 to 7.
The maintenance message
Service heat generator 1
is an example of a maintenance message that may appear for heat
generators 1 to 7.
#
Message
Description
Maintenance work
Interval
1
Service heat
pump 1
The heat pump requires main-
tenance work.
Refer to the operating instruc-
tions of the relevant heat pump
for information on the mainten-
ance work required
See the operating instructions
for the heat pump
2
Service heat
generator 1
The heat generator requires
maintenance work.
Refer to the operating instruc-
tions of the relevant heat gener-
ator for information on the main-
tenance work required
See the operating instructions
for the heat generator
