B
-- Troubleshooting, maintenance message
B.1 Troubleshooting
Symptom
Display remains dark
No changes in the
display can be made
via the control ele-
ments
It is not possible to
switch to the installer
level
B.2 Troubleshooting
Code/meaning
Heat generator 1 com-
munication interrupted
Sys. control room
temperature sensor
signal invalid
F.1361
B.3 Maintenance messages
#
Code/mean-
Description
ing
1
Heat gen-
The heat generator
erator 1
requires maintenance
requires
work.
mainten-
ance
2
Water defi-
The water pressure is
ciency: Fol-
too low in the heating
low the in-
installation.
structions
in the heat
gen.
3
Mainten-
Date on which main-
ance Con-
tenance is due for the
tact:
heating installation.
24
Possible cause
The batteries are flat
The product is defect-
ive
Software error
The product is defect-
ive
You do not know the
code for the installer
level
Possible cause
The cable is defective
Incorrect plug connec-
tion
Room temperature
sensor defective
Maintenance work
Refer to the operating
or installation instruc-
tions for the relevant
heat generator for in-
formation on the main-
tenance work required
Water deficiency: Fol-
low the instructions in
the heat generator
Carry out the required
maintenance work
Operating and installation instructions 0020323648_01
Measure
▶
Change all the batteries. (→ Page 19)
▶
Replace the product.
1.
Take all the batteries out.
2.
Insert the batteries in the battery compart-
ment, making sure that the poles are the
right way round.
▶
Replace the product.
▶
Reset the control to the factory settings. All
set values will be lost.
Measure
▶
Replace the cable.
▶
Check the plug connection.
▶
Replace the control.
Interval
See the operating or
installation instructions
for the heat generator
See the operating or
installation instructions
for the heat generator
Date entered in the
control