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Settings in the service menu
• The product must be maintained, inspected/serviced in accordance
with the manufacturer's product instructions by a Bosch
Thermotechnology Ltd or other competent Engineer. Proof of
inspection/servicing may be required to validate a guarantee.
• During the period of this guarantee any components of the appliance
that are proven to be faulty or defective in manufacture will be
exchanged or repaired free of charge if repaired directly by Bosch
Thermotechnology Ltd.
• Invoices for attendance and repair of this appliance by third parties
will not be accepted for payment by Bosch Thermotechnology Ltd.
• That any product or part thereof returned for servicing under the
guarantee must be accompanied by a claim stating the Model, Serial
Number, Date of Installation.
• That Bosch Thermotechnology Ltd will not accept responsibility for
damage caused by faulty installation, neglect, misuse or accidental
damage or the nonobservance of the instructions contained in the
Installation and Users Instructions leaflets.
• The appliance has been used only for the normal domestic purposes
for which it was designed.
• That this guarantee applies only to equipment purchased and used in
the United Kingdom of Great Britain and Northern Ireland, the
Republic of Ireland, the Isle of Man or the Channel Islands.
For full terms and conditions, please visit:
www.worcester-bosch.co.uk/guarantee-terms-and-conditions
Guarantee registration
Your appliance/product carries a guarantee against faulty material or
manufacture subject to Terms and Conditions.
To read the full Terms & Conditions please visit us on-line at
www.worcester-bosch.co.uk/guarantee.
Your statutory rights are not affected by the manufacturer's guarantee
7.2
Service menu
7.2.1
Service functions overview
Menu A (L.A) Benchmark menu
▶ Press the ( key and * key at the same time, until L.A is displayed.
▶ To confirm the selection: Press the OK key.
Service function L.A
A-A5 Actual temperature
Table 17 Benchmark menu
Menu 1 (L.1) Info menus
▶ Press the ( key and * key at the same time, until L.A is displayed.
▶ Keep pressing the arrow key , until L.1 is displayed.
▶ To confirm the selection: Press the OK key.
▶ Select and set the service function.
Service function L.1
1-A1 Current status
1-A2 Current fault
1-A3 Maximum heating output
1-A4 Upper limit of the maximum DHW output
1-A5 Actual temperature
1-A6 Set flow temperature
1-A7 Current flow temperature in low loss header
1-b3 DHW actual temperature
1-b5 Current storage cylinder temperature
46
7
Settings in the service menu
Many appliance functions can be set and checked in the service menu.
7.1
Operating the service menu
Opening the service menu
▶ Press the DHW key and the Heating key simultaneously until the
service menu appears.
Closing the service menu
▶ Press the DHW key or the Heating key.
-or-
▶ Press the d key.
Navigating through the menu
▶ To highlight a menu or a menu item, press the key or the key.
▶ Press the OK key.
The menu or the menu item is displayed.
▶ To return to the next higher menu level, press the d key.
Changing the setting values
▶ Select the menu item with the OK key.
▶ To select the desired value, press the or the key.
The new value will be saved after 5s or after pressing the OK key.
Exiting the menu item without saving values
▶ Press the d key.
The value is not saved.
Documenting the settings
The label "Service menu settings" (scope of delivery) makes it easier to
restore the individual settings following maintenance.
▶ Enter modified settings.
▶ Affix label to the device in a visible location.
▶ Select and set the service function.
Unit
More information
°C
Flow temperature at the flow temperature sensor
The factory settings are depicted as highlighted in the following table.
Unit
More information
Status code.
Fault code (table 10.1.2)
%
The maximum thermal output can be reduced via the service
function 3-b1.
%
Only available if optional integral diverter valve kit is fitted.
°C
Flow temperature at the flow temperature sensor.
°C
Setting value of the flow temperature demanded by the heating
controller.
°C
Is only displayed, if a low loss header is connected.
°C
Actual hot water temperature.
°C
Only available if optional integral diverter valve kit is fitted.
Greenstar 8000 Life – 6720883858 (2019/02)
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