Lennox EL296DFE Series Manual page 10

Display
No Change
Solid "E"
Solid "F"
Code Diagnostic Codes/Status of Equipment
. Idle mode (Decimal blinks at 1 Hertz -- 0.5
second ON, 0.5 second OFF).
C Cooling stage (1 second ON, 0.5 second OFF)
1 or 2 displayed / Pause / Repeat codes.
d Dehumidification mode (1 second ON, 1
second OFF) / Pause / Repeat Codes).
H Gas Heat Stage (1 second ON, 0.5 second
OFF) 1 or 2 displayed / Pause / Repeat codes.
Blinking during ignition.
h Heat pump stage.
Diagnostic LED (Figure 4)
The seven-segment diagnostic LED displays operating
status, error codes and other information. Table 4 lists di-
agnostic LED codes.
Diagnostic Push Button (Figure 4)
The diagnostic push button is located adjacent to the sev-
en-segment diagnostic LED. This button is used to enable
the Error Code Recall "E" mode and the Flame Signal
"F" mode. Press the button and hold it to cycle through a
menu of options. Every five seconds a new menu item will
be displayed. When the button is released, the displayed
item will be selected. Once all items in the menu have
been displayed, the menu resumes from the beginning
until the button is released.
TABLE 3
Integrated Control Diagnostic Modes
TABLE 4
Integrated Diagnostic Codes/Status of Equipment
Page 10
Action (when button released)
Remain in idle mode
Enter diagnostic recall mode
Enter flame signal mode
Action Required to Clear and Recover
Error Code Recall Mode
Select "E" from the menu to access the most recent 10
error codes. Select "c" from the Error Code Recall menu
to clear all error codes. Button must be pressed a second
time while "c" is flashing to confirm command to delete
codes.
Press the button until a solid "≡" is displayed to exit the
Error Code Recall mode.
Flame Signal Mode
Select "F" from the menu to access the flame signal mode.
The integrated control will display the flame current on
seven-segment LED in in micro amps (uA). Flame signal
mode is exited after any of the following:
• Power is reset
• Pressing and holding push button until 3 horizontal
• lines "≡" are displayed
• 10 minutes after entering the flame sense mode.
•