Lennox SLP99UHV Series Unit Information page 28

These options are displayed on the menu when the button is pressed during normal operation
DISPLAY
No change (idle)
Solid "E"
Solid "-"
NOTE - No change implies the display will continue to show whatever is currently being displayed for normal operation
These options are displayed on the menu when the button is pressed during normal operation
DISPLAY
No change (blinking "-")
Solid "-"
Solid "c"
These options are displayed on the menu when the button is pressed during normal operation
DISPLAY
No change (displaying error history)
Solid (3 horizontal bars)
Solid "c"
Once the button is released to clear the error history a blinking "c" will be shown on the display for up to 10 seconds.
During this time the user must press and release the button one additional time to confirm the action of deleting the error
history. Once the error history is deleted it cannot be recovered.
TABLE 11
Idle Menu Options
ACTION (when button released)
remain in idle mode
enter diagnostic mode
enter field test mode
TABLE 12
Idle Menu Options
ACTION (when button released)
remain in field test mode
exit field test mode
start pressure switch calibration
TABLE 13
Idle Menu Options
ACTION (when button released)
remain in diagnostic recall mode
exit diagnostic recall mode
clear error history
Page 28