Service manual

6L(1%( 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWURO
7URXEOHVKRRWLQJ 
 ³C5´,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU*DV
3LSHV
5HPRWH&RQWURO
'LVSOD\
C5
$SSOLFDEOH
0RGHOV
$OOLQGRRUXQLWPRGHOV
0HWKRGRI
0DOIXQFWLRQ
'HWHFWLRQ
0DOIXQFWLRQGHWHFWLRQLVFDUULHGRXWE\WHPSHUDWXUHGHWHFWHGE\JDVSLSHWKHUPLVWRU
0DOIXQFWLRQ
'HFLVLRQ
&RQGLWLRQV
:KHQWKHJDVSLSHWKHUPLVWRUEHFRPHVGLVFRQQHFWHGRUVKRUWHGZKLOHWKHXQLWLVUXQQLQJ
6XSSRVHG
&DXVHV
 'HIHFWRILQGRRUXQLWWKHUPLVWRU57IRUJDVSLSH
 'HIHFWRILQGRRUXQLW3&ERDUG
7URXEOHVKRRWLQJ
∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Normal (The malfunction is
caused by faulty contact.)
YES
NO
Replace the indoor unit PC board.
YES
Replace the thermistor (R3T).
NO
Remove the thermistor from
the indoor unit PC board, and
then insert it again.
Is the thermistor normal?
Remove the thermistor from
the indoor unit PC board, and
then make resistance
measurement of the thermistor
using a multiple meter.
∗ 5 kΩ to 90 kΩ