Setting the date and time of day
If the system was without power and the battery of the boiler control unit is flat, the internal
clock will stop working. If this occurs, the alarm message "03 The time of day
must be reset!" will then appear on the boiler control unit
.
More information about this is available in section Date / Time [► 38].
Calling customer service
•
When calling customer service please have the boiler type (specified on the type plate) at
hand.
The following menus are helpful when contacting KWB customer service:
• The "Customer service" menu (section Customer service [► 39]) shows the software
version used and the number of maintenances.
• The "Operating state" menu (section Operational state [► 30]) shows the operating
states or measured values of all important components (motors, sensors …).
Querying the operating states
You can display many of the measured values and states of the entire system via the "Operat-
ing state" option. This allows you (or customer service) to be able to find the cause of possible
faults and alarms in a targeted way.
Access this via the Main menu >> Operating state; you can find additional infor-
mation in section Operational state [► 30
].
Additional temporary setting options
m
You can temporarily expand your setting options if instructed to do so by KWB customer
service.
4
Follow the instructions of KWB customer service exactly – any deviation can have unfore-
seeable consequences and even lead to the destruction of your system!
3.7.1
3.7.2
3.7.2.1
3.7.3
Operating fundamentals
3
Reacting to problems
B KWB Easyfire EN, 05.2011
17
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