12 service program, Service program, Introduction – A.O. Smith 30 User Manual
Page 75: Setting the hysteresis, Displaying the error history, Displaying the appliance history, 12 "service program")
Instruction manual SGS
75
is
12
Service program
12.1 Introduction
The service program is used by the installation
engineer or service and maintenance engineer for:
•
•
•
Displaying the appliance history
•
Display the selected appliance
•
•
•
Solar heating system configuration
•
Setting the central heating configuration
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 the
relevant chapter
.
Note
The notation convention for the service menu is
identical to that of the main menu
convention for menu-related instructions")
. The
difference is, you use
to bring up the service
program, instead of
which brings up the main
menu.
12.2 Setting the hysteresis
Call up the menu to set the hysteresis as follows:
: HYSTERESE DOWN
For all appliances, the range is 2...7
o
C. The default
setting for this value is 5
o
C.
12.3 Displaying the error history
Display the error history as follows:
•
: HISTORY OF ERRORS
The controller will display an overview of "Blocking
errors" and "Lock out errors". In both cases, the
electronic controller reserves 15 lines for the last 15
error messages. If there are fewer than 15 error
messages, an ellipsis (...) is displayed. The display
first shows the "Blocking errors". When
is
pressed, the "Lock out errors" are then displayed.
The figure shows an example of "Blocking errors". In
this case, the text HISTORY OF ERRORS is followed
by (B).
The figure shows an example of "Lock out errors". In
this case, the text HISTORY OF ERRORS is followed
by (L).
Note
For an overview of all errors and the possible
causes, please refer to the relevant
chapter
.
12.4 Displaying the appliance history
The appliance history submenu is used to display the
burning hours, the number of ignitions, the number of
flame errors and the number of ignition errors.
Call up the menu for displaying the appliance history
as follows:
•
: APPLIANCE HISTORY
The figure shows an example.
SERVICE MENU
»HYSTERESE
^ HISTORY OF ERRORS
È APPLIANCE HISTORY
SELECT APPLIANCE
SERVICE INTERVAL
ANTI LEGIONELLA
SETTINGS SOLAR
SETTINGS HEATING
HYSTERESE DOWN
»3ÉC
HISTORY OF ERRORS(B)
S04 SENSOR ERROR
F06 IONIZATION
È CO2 50 HZ ERROR
HISTORY OF ERRORS(L)
F02 FAN
F07 FLAME ERROR
И ...