Cleaver-Brooks CB780 - Selectable Messages; MODE Pushbutton Function; Change-Level Pushbutton Function

1-22 750-166
CB780/CB784
OPERATION
Fig. 21 (↔)—Change-Level pushbutton function.
PILOT IGN 00:05
Fault History
M7402
PILOT IGN 00:10 H1
Fault Cycle 174
SCROLL
MODE
SAVE
SCROLL
MODE
SAVE
BURNER CONTROL BURNER CONTROL
Fig. 22—MODE pushbutton function.
LOCKOUT #17 MFEP
Main Valve T9 Off
M7403
LOCKOUT #17 MFEP
*Main Flame Fail*
SCROLL
MODE
SAVE
SCROLL
MODE
SAVE
BURNER CONTROL BURNER CONTROL
Fig. 23—SAVE function.4. SAVE function; see Fig. 23.
The SAVE function enables users to identify the select-
able message they want to view upon power restoration. The
second line selectable message will be restored to the most
recently saved selection when power returns. The SAVE
function is performed by pressing and holding the MODE
key and then pressing the Change-Level pushbutton (↔).
The second line of the display will briefly note “…SAV-
ING…” to confirm the key press.
SELECTABLE MESSAGES
VFD Second Line Display, Two-Level Hierarchy, see
Table 5.
The display values are as follows:
n represents a numbered value.
T represents the terminal number.
x represents the suffix letter of the Relay Module.
M7404
PURGE 00:30
... SAVING ...
SCROLL
MODE
SAVE
BURNER CONTROL