Sense Ii (Ems Controller) Diagnosis Menu; Operating The Service Menu; Heat Interface Unit Diagnosis Menu; Heat Interface Unit Diagnosis Functions - Bosch Worcester Greenstar HIU E Installation And Maintenance Instructions Manual

9.6

Sense II (EMS controller) Diagnosis menu

9.6.1

Operating the service menu

The first press of any Key or adjustment of the Selector
will only switch on the backlight of the display. The keys/
selector must therefore be pressed/adjusted again to
make a change.
Opening and closing the service menu
Opening the service menu
▶ Hold the menu key until the service menu is displayed.
menu
Closing the service menu
▶ If no sub-menu is open, press the Back key to switch to
the standard display (home screen).
-or-
▶ Press and hold the Back key for a few seconds to
switch to the standard display (home screen).
Table 37
Navigating through the menu
▶ Turn the selector to highlight a menu or a menu item.
▶ Press the selector.
The menu or the menu item is displayed.
▶ Press the Back key to return to the previous menu
level.
Changing setting values
Selection
▶ Turn the selector to highlight an entry and set the
setting value between minimum and maximum.
Setting a value with a slider (slider shown in display)
▶ Turn the selector to highlight an entry.
▶ Press the selector to confirm the selection.
The input field and the slider are enabled.
&
▶ Turn the selector to move the slider (change setting
value) between minimum and maximum, e. g. for DHW
temperature.
Multiple selection
▶ Turn the selector to highlight an entry.
▶ Press the selector to select the entry.
▶ Press the selector again to cancel the selection.
▶ Repeat the action steps until the desired entries are
selected.
Time program
▶ Turn the selector to highlight a switching time or the
corresponding operating mode.
▶ Press the selector to activate the input field for the
switching time or the operating mode.
▶ Turn the selector to change the setting value.
Table 38
6 720 808 928 (2017/06)
Confirming or rejecting the change
Rejecting the change
▶ Press the selector to activate the marked entry or to
confirm the change.
▶Turn the selector to highlight Continue and press
&
The Display switches to the higher menu level. The
user interface operates with the modified setting.
Rejecting the change
▶ Press the Back key to undo the change.
Table 39
9.6.2

Heat Interface Unit diagnosis menu

The Diagnosis menu of the Service menu are the following options.
• Function test
• Monitored values
• Fault displays
• System information
• Maintenance
• Reset
• Calibration
9.6.3

Heat Interface Unit diagnosis functions

▶ Enter the Service menu and navigate through the menus and select
the Diagnosis menu.
▶ Navigate through the Diagnosis menu and select the Monitored
values menu.
▶ Navigate through the Monitored values menu and select the Heat
Interface Unit menu.
▶ Navigate through the information as required.
Home station
information Description
Status Displays Home station status.
• Test mode.
• Floor drying function.
• DHW mode.
• CH mode.
• Frost protection
• No demand.
DHW flow rate Displays DHW flow rate (litres per minute).
Supply temperature Displays district supply temperature ( °C).
Return temperature Displays district return temperature ( °C).
Heating circuit pump Displays CH pump status (%).
• O% = Inactive
• 100% = Active
DHW circulation pump Displays CH pump status (%).
• O% = Inactive
• 100% = Active
DHW control valve Displays DHW control valve position (%).
feedback
• 0%(closed - 100% (fully open)
Heat control valve Displays DHW control valve position (%).
feedback
• 0%(closed - 100% (fully open)
Table 40
Fault finding and diagnostics
the selector.
63