Care and maintenance 6
0020239565_01 Ultimate 3 Operating instructions 13
5.2 Fault codes in the display
Fault codes have priority over all other dis-
plays. If several faults occur at the same
time, the corresponding codes are dis-
played alternately for two seconds each.
▶ If your product displays a fault code
(F.xx), contact a competent person.
6 Care and maintenance
6.1 Maintenance
An annual inspection of the product carried
out by a competent person is a prerequis-
ite for ensuring that the product is perman-
ently ready and safe for operation, reliable,
and has a long working life.
6.2 Caring for the product
Caution.
Risk of material damage
caused by unsuitable clean-
ing agents.
▶ Do not use sprays, scouring
agents, detergents, solvents
or cleaning agents that con-
tain chlorine.
▶ Clean the casing with a damp cloth and
a little solvent-free soap.
6.3 Checking the condensate
drain pipework and tundish
The condensate drain pipework and tun-
dish must always be penetrable.
▶ Regularly check the condensate drain
pipework and tundish for faults and,
particularly, for blockages.
You must not be able to see or feel any
obstructions in the condensate drain pipe-
work and tundish.
▶ If you notice a fault, have it rectified by
a competent person.
7 Decommissioning
7.1 Temporarily decommissioning
the product
▶ Temporarily decommission the product
only if there is no risk of frost.
▶ Switch off the product via the main
switch provided on-site.
◁ The display goes out.
▶ When decommissioning for an exten-
ded period (e.g. holiday), you should
also close the gas isolator cock and the
cold water stop cock.
7.2 Permanently
decommissioning the product
▶ Have a competent person permanently
decommission the product.
8 Recycling and disposal
▶ The competent person who installed
your product is responsible for the dis-
posal of the packaging.
If the product is identified with this
symbol:
▶ In this case, do not dispose of the
product with the household waste.
▶ Instead, hand in the product to a collec-
tion centre for old electrical or electronic
appliances.
If the product contains batteries that
are marked with this symbol, these bat-
teries may contain substances that are
hazardous to human health and the envir-
onment.
▶ In this case, dispose of the batteries at
a collection point for batteries.
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