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2.4 Maintenance message
If maintenance is required, the text Main-
tenance and the
remote control unit display.
You can read the specific maintenance
messages on the system control display
and find out which measures you need to
take from the instructions for the system
control.
2.5 Fault message
If a fault occurs in the heating installation,
will appear in the display together with
a fault message. The competent person
must clear or rectify the fault in the heating
installation, otherwise it could cause ma-
terial damage or make the heating installa-
tion malfunction.
▶
Inform a competent person.
2.6 Troubleshooting
Troubleshooting faults (→ Appendix A.3)
2.7 Care
2.7.1 Caring for the product
▶
Clean the casing with a damp cloth and
a little solvent-free soap.
▶
Do not use sprays, scouring agents,
detergents, solvents or cleaning agents
that contain chlorine.
2.8 Changing the batteries
Danger!
Risk of death caused by un-
suitable batteries!
If batteries – whether re-
chargeable or non-re-
chargeable – are replaced with
the wrong type of battery, there
is a risk of explosion.
▶
Ensure that you use the cor-
rect battery type when repla-
cing batteries.
0020253110_03 Operating and installation instructions
symbol appear in the
▶
Dispose of used batteries in
accordance with the instruc-
tions in this manual.
B
1.
Remove the remote control from the
unit mounting bracket as shown in the
figure.
B
2.
Open the battery compartment as
shown in the figure.
3.
Always change all the batteries at the
same time.
– Only use LR06 batteries
– Do not use rechargeable batteries
– Do not combine the batteries with
other battery types
– Do not combine new and used bat-
teries
A
A
!
9
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Table of Contents
Troubleshooting
