MagnaTherm Boilers and Water Heaters
Page 97
12.C Diagnostic Tests and Input/Output
Indicators
Two kinds of screens are grouped together in this
section:
• Detailed indications of the input and output
signals
• Diagnostic tests of the pumps and burner
modulation
Note that these functions apply to just one selected
controller.
To access the diagnostic functions, from the home
screen, touch the control icon, then touch the
‘Diagnostics’ button.
1.
The buttons at the bottom of the screen select
the types of inputs and outputs displayed. The
Burner Control I/O button leads to Menu 39
Menu 39. Burner Control I/O Screen
A green dot indicates a function that is “on.”
2.
Press the Digital I/O button to see parameters
with the functions that are either “on” or “off.”
See Menu 40.
Menu 40. Digital I/O Screen
3.
The button for Analog I/O displays items that
change continuously between two limits. See
Menu 41
Menu 41. Analog I/O Screen
4.
Press the button for Diagnostic Tests. The
Modulation test allows you to change the
rate at which the burner fires, and watch the
results. See Menu 42
Menu 42. Modulation Test
5.
Press the Pump Test button. The Pump test
shows detailed information about the three
pumps that may be used by the system.
Menu 43. Pump Test
