York YU2E18YJ6AMHO-Y, Руководство по обслуживанию, Страница: 31 / 124

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46 F indoor unit capacity
47 F indoor unit capacity demand code
48 F indoor unit evaporator outlet temperature (T
2B
F)
49 F indoor unit room temperature (T
1
F)
50 F indoor unit evaporator temperature (T
2
F)
51 EXV open angle for F indoor unit
7.3.2 Outdoor Unit Digital Display
A 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 frequency
and “PH” (each appears for 0.5s.)

Oil return process: “RO” or alternative displays between running
frequency and “RO” (each appears for 0.5s.)

Low ambient cooling mode: “LC” or alternative displays between running
frequency 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” or
alternates 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.