Wall-Mounted And Ceiling/Floor Unit Displays - Lennox MPA009S4S Service Manual

24.3. Wall-Mounted and Ceiling/Floor Unit Displays

ION indication lamp (optional function): This lamp illuminates when clean air feature is activated.
Defrost Indication Lamp (for cooling and heating models only): Lights up when the air conditioner starts defrosting automatically or
when the warm air controls feature is activated in heating operation.
Operation Indication Lamp: This lamp illuminates when the air conditioner is in operation.
Timer Indication Lamp: Lights up during timer operation.
Temperature Indicator: Displays the temperature settings when the air conditioner is operational. Also displays error codes.
Figure 73. Wall-Mounted Unit Display
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