Friedrich Q Series Service & Parts Manual page 26

OPERATION
User Interface
The diAG Menu
This menu is used to access the diagnostic codes. See Figure 337.
Selecting this sub-menu shows the E that represents "Error." See Figure 338.
Toggle through the error codes using the arrow keys. See Figure 339.
Figure 337
Figure 338
Figure 339
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MENU RETURN
MENU RETURN
MENU RETURN