27
Cause
Remedy
Remote control is set incorrectly.
DHW heating must be enabled: See page.
Check the settings and correct if required:
■
Operating program: See the operating instructions for
the heat generator control unit.
■
Set DHW temperature: See page.
■
Time program: See page 21.
No fuel.
With oil/LPG:
Check the fuel reserves and re-order if required.
For operation with natural gas:
Open the gas shut-off valve. If necessary, check with
your gas supply utility.
"Fault"
is displayed.
Check the type of fault at the heat generator control
unit. If necessary, notify your contractor.
The DHW is too hot
Cause
Remedy
Remote control is set incorrectly.
Check the set DHW temperature and correct if re-
quired: See page.
The function for increased DHW hygiene (hygiene func-
tion) is activated at the heat generator control unit: See
the operating instructions for the heat generator control
unit.
Wait until the increased DHW hygiene (hygiene func-
tion) has ended.
flashes and "Fault" is displayed
Cause
Remedy
Heating system fault
Proceed as described on page 24.
flashes and "Service" is displayed
Cause
Remedy
The time for a service, as specified by your heating
contractor, has arrived.
Proceed as described on page 24.
Initialisation bar is running
Cause
Remedy
Communication with the control unit is interrupted
Call up the fault message on the heat generator control
unit and follow the steps described.
Cause of the fault could not be found
Some settings cannot be performed at the remote con-
trol. Find out more about the settings and possible
troubleshooting solutions on the heat generator control
unit.
Operating instructions for heat generator control
unit
What to do if...
There is no hot water
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