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Introduction
Release R.1.3 UK
65
is
9
Service program
9.1
Introduction
The service program is used by the installer or service and maintenance
engineer for:
•
engineer for:
•
•
•
•
•
;
•
;
•
;
•
•
These sub-menus are briefly described in the following paragraphs. If you are
not familiar in general with how to use the displays and menus, first read chapter
not familiar in general with how to use the displays and menus, first read chapter
n
Remark
. The
difference is, you use S to bring up the service program, instead of B
which brings up the main menu.
9.2
Setting the
hysteresis
hysteresis
If the preset temperature (SETPOINT) is higher than the current water
temperature, then the appliance might not immediately start the heating cycle
(see chapter
temperature, then the appliance might not immediately start the heating cycle
(see chapter
). To prevent excessively
frequent switching on and off, a there is a heating margin. We refer to this
margin as the hysteresis. The standard setting for this margin is 2°C. The
heating cycle starts if the water temperature drops to 2°C below the SETPOINT
and ends when the water reaches 2°C above the SETPOINT.
margin as the hysteresis. The standard setting for this margin is 2°C. The
heating cycle starts if the water temperature drops to 2°C below the SETPOINT
and ends when the water reaches 2°C above the SETPOINT.
Set the hysteresis via:
•
•
S:
HYSTERESE UP
shows an example.
Set the hysteresis via
•
•
S:
HYSTERESE DOWN
9.3
Displaying the error
history
history
Display the error history via:
•
•
S:
HISTORIE OF ERRORS
The controller will display an overview of ‘Blocking errors’ and ‘Lock out errors’.
In both cases, note that the ThermoControl reserves 15 lines for the last 15 error
messages. If there are less than 15 error messages, then an ellipsis (...) is
displayed. The display first shows the ‘Blocking errors’. When E is
In both cases, note that the ThermoControl reserves 15 lines for the last 15 error
messages. If there are less than 15 error messages, then an ellipsis (...) is
displayed. The display first shows the ‘Blocking errors’. When E is
pressed, the ‘Lock out Errors’ are then displayed.
SERVICE MENU
»HYSTERESE
^ HISTORIE OF ERRORS
È APPLIANCE HISTORY
SELECT APPLIANCE
PUMP RELAY
SERVICE INTERVAL
CONTRAST DISPLAY
TIME BACKLIGHT
SCROLLSPEED
Figure 9.1 Service program
HYSTERESE UP
»3ÉC
Figure 9.2 Heating cycle upper
limit
limit
is