Troubleshooting
4-22
Samsung Electronics
4-4-13 External COND temperature sensor error
Indoor unit display
Outdoor unit display
◎
(YEL)
●
(GRN)
◎
(RED)
1. Cause of malfunction
1) Disconnection or loose connection of sensor wire
2) Faulty sensor itself
3) Problematic Outdoor unit PBA
2. Check procedure
After detaching the ass’y control out
cover, detach the olp/cond connector
from the PBA
Pull out power cords for the Indoor unit and
the Outdoor unit
Measure resistance on both ends of
cond pin using a test device
Replace faulty or broken sensor itself
No
Is the resistance reading in the range of
11kΩ~12kΩ?
Yes
Replace Outdoor unit PBA
(A new EEPROM IC must be inserted)
S
Equipment claims must be made at a service center for the EEPROM IC.
Please refer to page 4-33 for equipment code.
