Samsung Electronics
24
Troubleshooting
5-3-5 Room temperature sensor failure
No
ASS'Y Sensor Replace
SENSOR Resistance Value : 20˚C-12.09k
Ω
SENSOR Resistance Value :
30˚C-8.31k
Ω
SENSOR Resistance Value :
35˚C-6.94k
Ω
SENSOR Resistance Value :
40˚C-5.83k
Ω
Yes
No
No
Detach the assembly sensor from the
ASS'Y PCB CN43 connector and measure
the sensor resistance with an ohmmeter (tester).
Connect the sensor to CN43,
supply power, and measure the voltage of
#1 and #2 of the CN43 connector.
MICOM Error or Connector(CN43) check
Is the sensor resistance value
10K
Ω
±3% at the room temperature
of 25˚C?
Yes
Poor ASS'Y PCB Replace
Below 0.5V?
Yes
Poor ASS'Y PCB Replace
Over 4.9V?
Indoor unit room temperature sensor error(open or short)
Description
LAMP
OPERATION
TIMER
TURBO
: Lamp flickering
: Lamp off
DB98_16569A(2)_1 4/6/04 2:57 PM Page 24
Содержание SC09AWH
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