York Pyrenees YM9FXC030BAA FX Series Service Manual page 22

temp.
If AC is off before power off and AC is required
to start up now, the compressor will have 1
minute delay when power on. Other conditions,
the compressor will have 3 minutes delay when
restarts.
7.4.8 Refrigerant Leakage Detection
With this new technology, the display area will
show "EC" when the outdoor unit detects
refrigerant leakage.
When compressor is active, the value of the
Coil temperature of evaporator T2 has no
change or very little change.
7.4.9 8℃ Heating(optional)
When the compressor is running, the indoor fan
motor will run without anti-cold air function.
When the compressor is off, the indoor fan
motor is off .