3. Fault finding - User
Fault
The heating system in the HDE electronic
does not switch on, despite the hot water
fitting being turned full on.
Cold water for brief period.
Thermostat cannot be set to >43 ºC.
Table 5
4. Fault finding - Qulified installer
Fault
Flow is too little.
Heating system is not switching on/no hot
water.
Table 6
Other diagnostic possibilities are provided by the Service Monitor, Order No. 16 77 41 (see „2.15 Special Accessories").
1)
5. Environment and recycling
Please help us to protect the environment by
disposing of the packaging in accordance with
the national regulations for waste processing.
6. Guarantee
For guarantees please refer to the respective
terms and conditions of supply for your
country.
The installation, electrical connection
and first operation of this appliance
should be carried out by a qualified
installer.
The company does not accept liability
for failure of any goods supplied which
have not been installed and operated in
accordance with the manufacturer's
instructions.
Cause
– No voltage.
– The volume needed for the system to
come an after the heating output has been
switched on is not being attained. This may
be due to dirt or limescale clogging of the
perlators in the fittings or the shower head.
– Heating system defective.
– Air detection system is detecting air in the
water and is briefly switching the heating
system off.
– Temperature limiting unit has been
activated.
1)
Cause
– Shower head/perlators clogged with
limescale.
– Dirt contamination.
– No voltage.
– Heating system defective.
– Air detection system is detecting air in the
water and is briefly switching the heating
system off.
Rectification
– User/qualified installer:
Check fuses in the house installation.
– User/qualified installer:
Clean and/or remove limescale.
– Customer service/qualified installer:
Check heating system and replace if
necassary.
– Unit goes back into operation after a few
seconds.
– Customer service/qualified installer:
Deactivate temperature limiting unit.
Rectification
– User:
Remove limescale or replace.
– Customer service/qualified installer:
Clean filter.
– Customer service/qualified installer:
Check fuses (house installion).
– Customer service/qualified installer:
Measure resistance of heating system and
replace if necassary.
– Device goes back into operation after a
few seconds.
15