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21. Single-Zone Outdoor Unit LED Locations
Single-zone outdoor units display ash codes on the main board. The main board is accessed through the top of the unit.
Indoor units will display more detailed error codes.
These outdoor units do not have a SW1 spot check push button switch. Diagnostic is performed through a series of blue,
red and green LEDs.
NOTE: The control on all single-zone outdoor units is mounted with all LEDs down and cannot be seen unless the control
is removed.
Figure 35. Typical Location of Outdoor Unit LEDs
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