29
6167 819 - 01
Vitodens 100-W B1HE/B1KE Operating
What to do if...
Rooms are too Cold
Rooms are too Hot
Cause
Remedy
Incorrect control unit settings.
Check the settings and correct if necessary:
Operating program: See page 16.
Supply temperature
Time: See page 19.
“Error message” is displayed.
Check what type of fault it is. Make a note of the fault
message and acknowledge the fault: See page 25.
If necessary, notify your contractor.
WARNING
If faults are not rectified, they may have life threatening
consequences.
Do not reset the burner several times in quick succession.
Immediately notify your contractor if a burner fault occurs.
Your contractor will be able to analyze the cause and
rectify the fault.
Cause
Remedy
The boiler is switched off.
Turn on the ON/OFF switch: See page 28.
Switch on the power supply to your system,
e.g. at a separate MCB/fuse or mains isolator.
Incorrect control unit settings.
Central heating must be enabled.
Check the settings and correct if necessary:
Operating program: See page 16.
Supply temperature
Time: See page 19.
The DHW tank is being heated.
Wait until the DHW tank has been heated up.
Reduce the DHW draw-off rate or temporarily reduce
the set DHW temperature as required.
No fuel.
Open the gas shut-off valve. If necessary, check with
your gas supply utility.
“Burner fault” is displayed.
Reset the burner: See page 25.
“Error message” is displayed.
Check what type of fault it is. Make a note of the fault
message and acknowledge the fault: See page 25.
If necessary, notify your contractor.
