Samsung AF24FSSDAWKX - Temperature Display Area

Troubleshooting
4-14 Samsung Electronics
4-4-5 When indoor pipe sensor error code is "
,
" indicated on the indoor
temperature display area
1. Cause of malfunction
1) Disconnected or loosely connected indoor pipe sensor
2) Cold soldering joint of indoor Main PBA MICOM
3) Faulty sensor itself (penetration of moisture into sensor)
2. Check procedure
Turn OFF the MAIN power SWITCH.
<Measure voltage>
<Measure voltage>
Replace faulty pipe sensor itselfted
Replace the Main PBA if the same problem
occurs even after re-soldering the micom
pin due to the faulty Main PBA
Yes
Turn on the main power switch.
Replace the Main PBA if the same
Problem occurs even after re-soldering the
micom pin due to the faulty Main PBA
No
After assembling the pipe sensor
on the PBA, is the voltage of both ends
between DC1V~DC4V?
Yes
Yes
No
When measuring
the resistance of both ends of the pipe sensor
by itself, is the reading 10k at room
temperature of 25°C?
Replace faulty pipe sensor itself
No
Is the sensor wire disconnected
or loosely connected?