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AHU-KIT temperature sensor OPEN/SHORT error
Outdoor unit display
Explanation
When OPEN/SHORT signal is received for temperature sensor of AHU-KIT
Reason
Poor connection between sensor and the PBA, or poor conditioned sensor.
1
Self check
Is indoor room temperature sensor connector
properly connected to PBA socket?
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 the right?
Change the Control-KIT PBA.
NOTE
•
Wired remote controller will show the same error shown in the outdoor unit.
(ROOM sensor OPEN/SHORT)
(EVA IN sensor OPEN/SHORT)
(EVA OUT sensor OPEN/SHORT)
(Disch. sensor OPEN/SHORT)
Yes
Yes
Yes
No
Connect the temperature sensor connector to the PBA
socket and restart the system.
Temp.(°C)
No
Change the room temperature sensor.
Resistance 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
English
29
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