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Service checks
Service menu
The following service functions can be selected:
■
"Diagnosis"; see page 58 onwards
■
"Actuator test"; see page 29 onwards
■
"Code 1"; see page 46 onwards
Calling up the service menu
The service menu can be activated from any menu.
Press the following keys:
1.
+
simultaneously for approx. 4 s.
d
å
The "Service" menu appears.
Leaving the service menu
You can leave the service menu as follows:
By pressing
■
ä
■
Automatically after 30 min
■
Via menu point "Terminate service"
Calling up operating conditions and sensors
You can call up operating conditions and check sen-
sors via the Information menu in the "Extended
menu" and in the "Service menu" (Diagnosis & Boiler
sub-menus).
Diagnosis
Draw-off
Boiler
Heating
DHW
START
Information
STOP
Select with
Fig. 34
Press the following keys:
1.
+
simultaneously for approx. 4 s.
d
å
The "Service" menu appears.
2.
/
for "Diagnosis".
|
~
3.
d
to confirm.
4.
/
for the required group.
|
~
5.
to confirm.
d
6.
/
for the required parameter.
|
~
58
Buffer
(
"Code 2"; see page 54 onwards
■
■
"Service functions"
■
"Fault history"; see page 61 onwards
■
"Terminate service"
2.
/
for the required service function.
|
~
7.
repeatedly until the default display is
ä
shown.
This terminates the diagnosis.
The Diagnosis menu is divided into the following sub-
menus:
"General" (see page 59)
■
■
"Boiler" (see page 59)
■
"Heating" (see page 59)
■
"DHW" (see page 59)
■
"KM-BUS" (see page 60)
■
"DHW circulation" (if "heating circuit extension
module" accessory is installed; see page 60)
"Solar" (if "heating circuit extension module" acces-
■
sory is installed; see page 60)
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