2-7 discharge temperature sensor error, Samsung electronics 12-40 – Sunlight Supply Samsung Programmable Thermostat for Split Systems User Manual

Page 103

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Samsung Electronics 12-40

12- 2-7 Discharge temperature sensor error

1. Checklist

:

1) Is the sensor connector connected correctly?

2) Is the sensor placed correctly?

3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?

4) Is the resistance value of sensor connection pull_up correct?

2. Troubleshooting

procedure

Is the sensor connector connected

correctly in accordance with a color?

Is the temperature sensor connected

correctly without separation?

Does the both terminal of sensor

satisfy the resistance

value in accordance with temperature?

(Refer to the R/T TABLE)

Is the resistance value

of sensor connection pull_up 24K?

Reconnect the sensor connector.

Change the position of sensor.

Exchange the sensor.

Exchange the PCB.

Exchange the PCB.

Normal operation

Exit

Yes

Yes

Yes

Yes

No

No

No

No

No

0

8

1

6

24

32

40

48

56

64

72

80

88

96

1

04

11

2

1

20

1

28

1

36

1

44

1

52

1

60

600.0

500.0

400.0

300.0

200.0

100.0

0.0

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