Lennox MPA009S4S User Manual

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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.See“20.QuickReferenceGuide-ErrorCodes”onpage95for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 64. Typical Location of Outdoor Unit LEDs

Lennox MPA009S4S Specifications

General

Brand	Lennox
Model	MPA009S4S
Category	Air Conditioner
Language	English