Samsung MXD-K100XN Installation Manual page 32

Troubleshooting
Sensor Error
Outdoor unit display
Explanation
Reason
1) Self check
Is indoor room temperature sensor
connector properly connected to
Check the resistance value of room temperature
sensor connector and the PBA after
disconnecting them.
Is the resistance value larger than
the number shown in the table on
Change the Control-KIT PBA.
NOTE
• Wired remote controller will show the same error shown in the outdoor unit.
32 English
(ROOM sensor OPEN/SHORT)
(EVA IN sensor OPEN/SHORT)
(EVA OUT sensor OPEN/SHORT)
When OPEN/SHORT signal is received for temperature sensor of AHU-KIT
Poor connection between sensor and the PBA, or poor conditioned sensor.
PBA socket?
Yes
Yes
the right?
Yes
No
Connect the temperature sensor connector to
the PBA socket and restart the system.
No
Change the room temperature sensor.
Temp. Resistance
(°C) value (㏀)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
20 12.1
10 18.0
0 27.3
-10 43.0