SERVICING
28
MODE DISPLAY INTRODUCTION
A 2-digit display is provided on the printed circuit board (PCB) as a backup tool to the
thermostat for accessing error codes and erasing error code history of the indoor unit. Follow the
information provided in this section to learn how to use the mode display.
DISPLAY
The display consists of 2 digits.
DISPLAY BUTTON LAYOUT
The display buttons shown can be used to navigate and select items:
FAULT CODE HISTORY NAVIGATION
This mode will allow the user to see the six most recent system faults. Please follow the flow chart to
navigate to error codes from screen zero.
For a list of the fault codes, please see the TROUBLESHOOTING tables in this document.
It is also possible to erase all the diagnostics codes from this menu.
SETTING THE MODE DISPLAY