Indoor Heat Exchange Temperature Sensor (Open/Short) - Samsung AC026FBRDEH Service Manual

4-3-2 Indoor Heat Exchange temperature sensor (open/short)

Indoor unit display
Criteria
Cause of problem
Is indoor Heat Exchange
temp. sensor
connector disconnected?
No
Disconnect the PCB from the
connector of the internal temp. sensor
and then measure the resistance
between the two terminals.
At that time, does the
resistance value deviate from the temperature
table beside?
No
Resume operation after replacing PCB
Samsung Electronics
(Operation) (Timer)
In case of disconnection or short-circuit of the heat exchanger of indoor temperature
Disconnection or short-circuit of the relevant sensors
ex) Room temperature
24°C~ resistance 10.93KΩ
X(Defrost)
Yes
Resume operation
after connecting to the
connector PCB
Yes
Indoor Heat Exchange temp.
sensor
self-defect (replacement)
<Temperature sensor
resistance values>
Current Resistance
Temp. (°C) (KΩ)
40 5.800
35 6.900
30 8.300
25 10.00
20 12.10
15 14.70
10 18.00
5 22.00
0 28.30
-5 33.90
-10 42.30
4-13