18 Troubleshooting
–
Have the criteria for
measurement enable
been ful-
filled (yes/no).
–
Remaining measuring period (this can be extended
5 minutes before expiry; notification appears).
Fig. 2-55_01-190sn
When is it not possible to activate the chimney
sweep function
–
An alarm message is active in the boiler control.
–
The boiler is in the fan lag period.
–
The current boiler temperature is 2 °C < than the
parameter
maximum required boiler temperature
.
–
In the event of a power failure while this function is
active, this must be reactivated after the boiler is
started.
Measurement enable status
- the boiler is ready
for emissions measurement
–
Emissions measurement can be performed.
–
The duration of
measurement enable
is 30 minu-
tes.
End of chimney sweep measurement release
–
Automatically, after the expiry of the
measurement
period
.
–
Manually, by pressing the
End
button in the noti-
fication that appears.
17.1 Emission measurement for external
boilers
If necessary, use the menu
output test heating circuit
to carry out the emission measurement on an
external boiler. In this menu, the electrical outputs for
the remote boiler, 3-way motor valve as well as for the
heating circuit pump and heating circuit can be swit-
ched on/off manually.
18 Troubleshooting
Faults that occur are displayed in an information win-
dow in the control and each message is save in the
message log
.
Possible handling of messages
–
Button
1
: Close window, change to main screen.
The fault message remains active, ie the burner
may not start depending on the type of message.
–
Button
2
: Switch to the message log
–
Button
3
: Acknowledge the message.
An acknowledgment is only possible if the cause
of the fault has been rectified; the burner may then
restart after a heating request is received.
Fig. 2-56_14-021
Alarm/note symbol
4
This symbol indicates an alarm message: The
boiler is no longer ready for operation if such a mes-
sage occurs.
This symbol indicates an alarm message: The
boiler is still ready for operation.
An alarm message is visible at the top edge of the
main screen until it is acknowledged
1
. Press to ack-
nowledge the message (message window opens)
Fig. 2-57_01-102
38
Operation manual
therminator II touch
