Submittal Sheet

7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE
49 32-00110—05
APPENDIX C: DIAGNOSTICS
Burner Control Diagnostics
Diagnostic information about the burner control module can be viewed on the display module (see Fig. 78). The
information displayed is dependent on the burner control module. Only terminals and features that a burner control
module includes are displayed. Possible information displayed are:
• Device (model) type
• Run/Test switch (if applicable) status – “Run” or “Test” mode
• Terminal T6-T21 (if applicable) status – “ON” or “OFF”
• Jumper 1-3 (if applicable) status – “Intact” or “Clipped”
• Flame amplifier type
• Flame failure response time (FFRT)
• Purge time (if applicable)
• Postpurge time (if applicable)
• Valve proving (VP) when option setting (if applicable)
• Valve proving (VP) time (if applicable)
• Manufacturing code
• Software revision
• Reset count (number of times the module has reset due to an internal fatal error)
• Reset reason code of most recent internal fatal error
Terminals are displayed with their model use, e.g., T6 may be used as a “Demand” or “Operating control” terminal.
Fig. 78. Burner control diagnostics
The up and down arrow buttons are used to scroll the status lines. The left arrow button is used to exit the page and return
back to the Home page.