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Trouble shooting
Error on Universal Comm. Kit temperature sensor OPEN/SHORT
1. Checking method
Outdoor unit display
Description
Reason
Temperature feature table of PT1000
▶ After detaching the connector(CN41), measure the electric resistance between terminal A and terminal
C, and between terminal B and terminal C and then compare the table below. If the resistance is out of
-30 °C (-22 °F) ~ +50 °C (122 °F) section, it will be displayed as error indication area.
1200 [Ω]
1150 [Ω]
1100 [Ω]
1050 [Ω]
1000 [Ω]
950 [Ω]
900 [Ω]
850 [Ω]
800 [Ω]
-50 [℃]
-58 [℉] -40 [℉] -22 [℉] -4 [℉]
Feature table of supplied temperature sensor
▶ Check the resistance value of room temperature sensor connector and the PBA after disconnecting
them.
Temperature ˚C (℉)
70 (158)
60 (140)
50 (122)
40 (104)
30 (86)
20 (68)
10 (50)
0 (32)
-10 (14)
• Wired remote controller will display the same error shown in the outdoor unit.
NOTE
46
DB68-06643A-03_IM_ACC UCK Kit_AA_EN.indd 46
DB68-06643A-03_IM_ACC UCK Kit_AA_EN.indd 46
(Room temperature sensor OPEN/SHORT)
(Discharge temperature sensor OPEN/SHORT)
When the temperature sensor part of Universal Comm. Kit is detected as OPEN/SHORT
Incorrect installation of PT1000 temperature sensor or supplied temperature sensor
Feature of PT1000 sensor
-40 [℃] -30 [℃] -20 [℃] -10 [℃]
14 [℉]
Temperature
Resistance value (kΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
PT1000
0 [℃]
10 [℃] 20 [℃]
30 [℃]
32 [℉]
50 [℉]
68 [℉]
86 [℉] 104 [℉] 122 [℉]
40 [℃] 50 [℃]
2023-01-13 오전 11:35:19
2023-01-13 오전 11:35:19
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