York YU2E18YJ6AMHO-Y Service Manual

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3146 F indoor unit capacity47 F indoor unit capacity demand code48 F indoor unit evaporator outlet temperature (T2BF)49 F indoor unit room temperature (T1 F)50 F indoor unit evaporator temperature (T2 F)51 EXV open angle for F indoor unit7.3.2 Outdoor Unit Digital DisplayA digital display is featured on the outdoor PCB.The LED displays different codes in the following situations: Standby: “- -.” Compressor operation: the running frequency. Defrosting mode: “dF” or alternative displays between running frequency and“dF” (ach appears for 0.5s.) Compressor pre-heating: “PH” or alternative displays between running frequencyand “PH” (each appears for 0.5s.) Oil return process: “RO” or alternative displays between runningfrequency and “RO” (each appears for 0.5s.) Low ambient cooling mode: “LC” or alternative displays between runningfrequency and “LC” (each appears for 0.5s.) Forced cooling mode: the LED displays “FC” or alternative displays between running frequency and“FC” (each appears for 0.5s). PFC module protection occurs three times within 15 minutes: “E6” oralternates between displays of running frequency and “E6” (each appears for 0.5s.) In protection or malfunction, the LED displays an error code or protection code.