Rheem 80MDV SERIES Installation Instructions Manual page 48

Clearing Fault History
The fault buffer can be cleared with the pushbutton while
the Fault History Display (FL) menu is active by holding
down the pushbutton for 5 seconds or more. For indication
that the fault buffer is clear the IFC will flash segments A
and D of the right-most seven segment displays one sec-
ond on and one second off three times after the fault clear
command has been recognized.
48
EXTENDED DISPLAY MODE – DISPLAY PROPERTIES
Extended Display Mode
If the pushbutton is pressed during the power-up se-
quence, IFC will turn on the extended display mode. The
extended display mode modifies the display operation per
the following table: