Panasonic CS-A18CKPG Service Manual page 46

Note:
# : Fan motor off condition depends on:
a. 1 min over after FM ON. And
b. Air temperature < -3°C during 1 min.
So the FM Off time is between 5 sec. to 1 min. 5 sec.
D. Indoor condition during protection control
#1: I/D fan speed and protection control depends on the operation mode. Then, the condition follow
Operation mode
Cooling
operation mode in table above.
I/D FM
Setting speed
Protection control;
Compressor reverse rotation protection