Samsung MH052FUEA Service Manual page 93

4-5-6 Checking Temperature sensor
In case of a sensor in outdoor unit, temperature can be monitored with "VIEW MODE".
Press K4 key on the outdoor display PCB for several time to change the display to sensor temperature value.
Left 1 digit of the LED is data index and Right 2 digits are the value.
Index
8
9
A
B
Samsung Electronics
Discharge sensor temperature
OLP sensor temperature
Condenser sensor temperature
Outdoor sensor temperature
Value Remark
The unit is degree C
4-37