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Troubleshooting
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1) Self check
• Wired remote controller will show the same error shown in the outdoor unit.
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.
Change the Control-KIT PBA.
Connect the temperature sensor connector to
the PBA socket and restart the system.
No
Yes
Yes
Yes
Change the room temperature sensor.
No
Temp.
(°C)
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
Is the resistance value larger than
the number shown in the table on
the right?
Outdoor unit display
(ROOM sensor OPEN/SHORT)
(EVA IN sensor OPEN/SHORT)
(EVA OUT sensor OPEN/SHORT)
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.
NOTE
Sensor Error
Summary of Contents for MXD-K100XN
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