Appendix
22 Operating and installation instructions MiSet 0020288229_00
B.2 Troubleshooting
Message Possible cause Measure
Outdoor temperature
sensor signal invalid
Outdoor temperature
sensor defective
▶ Replace the outdoor temperature sensor.
Heat generator 1 com-
munication interrupted
The cable is defective ▶ Replace the cable.
Incorrect plug connec-
tion
▶ Check the plug connection.
Remote control 1
missing
Missing remote control ▶ Connect the remote control.
Room temp. sensor
signal on control in-
valid
Room temperature
sensor defective
▶ Replace the control.
Room temp. sensor
signal on remote con-
trol 1 invalid
Room temperature
sensor defective
▶ Replace the remote control.
Assignment of remote
control 1 missing
The assignment of
remote control 1 to the
zone is missing.
▶ Assign the correct address to the remote
control in the Zone assignment: function.
Zone activation miss-
ing
A zone that is in use
is not yet activated.
▶ In the Zone activated: function, select the
value Yes.
B.3 Maintenance messages
# Message Description Maintenance work Interval
1 Heat gen-
erator 1
requires
mainten-
ance
The heat generator
requires maintenance
work.
Refer to the operating
or installation instruc-
tions for the relevant
heat generator for in-
formation on the main-
tenance work required
See the operating or
installation instructions
for the heat generator
2 Water defi-
ciency: Fol-
low the in-
structions
in the heat
gen.
The water pressure is
too low in the heating
installation.
Water deficiency: Fol-
low the instructions in
the heat generator
See the operating or
installation instructions
for the heat generator
3 Mainten-
ance Con-
tact:
Date on which main-
tenance is due for the
heating installation.
Carry out the required
maintenance work
Date entered in the
control
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