Samsung Electronics
4-33
Yes
Yes
4-5-
6-2 Outdoor out / cond temperature sensor error
1.
Check
Items:
1) Is the sensor connected correctly?
2) Is the sensor placed correctly?
2.
Troubleshooting
procedure
No
Is the sensor connector connected
correctly in accordance with a color?
Exchange the Outdoor PBA
Micom error or connector check
Reconnect the sensor connector.
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
4) Is the resistance value of sensor connection pull-up correct?
Yes
Is the sensor resistance value
200kohm±3% at the room temperature
of 25ºс
No Sensor
Replace
Sensor resistance value : 20ºс - 12.09kohm
30ºс - 8.31kohm
35ºс - 6.94kohm
40ºс - 5.83kohm
Connect the sensor to PBA connector
supply power and measure the
voltage of sensor in the connector
No
Below 0.5V or Over 4.5V?
Yes
Exchange the Outdoor PBA
4-5-7 Checking EEV
Current EEV step value can monitored with "VIEW MODE"
Press K4 key on the outdoor display PCB for several time to change the display to current EEV value.
Left 1 digit of the LED is data index and Right 3 digits is the value.
Index
Value
Remark
3
EEV-A step
4
EEV-B step
5
AJ020JCJ2CH
EEV-C step
The step value range is
between Zero and 480.
AJ024JCJ3CH