Service manual

6L(1 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWURO
7URXEOHVKRRWLQJ 
 ³H9´2XWGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRUIRU2XWGRRU
$LU57
5HPRWH&RQWURO
'LVSOD\
H9
$SSOLFDEOH
0RGHOV
5;<4a0
0HWKRGRI
0DOIXQFWLRQ
'HWHFWLRQ
7KHDEQRUPDOGHWHFWLRQLVEDVHGRQFXUUHQWGHWHFWHGE\FXUUHQWVHQVRU
0DOIXQFWLRQ
'HFLVLRQ
&RQGLWLRQV
:KHQWKHRXWVLGHDLUWHPSHUDWXUHVHQVRUKDVVKRUWFLUFXLWRURSHQFLUFXLW
6XSSRVHG
&DXVHV
 'HIHFWRIWKHUPLVWRU57IRURXWGRRUDLU
 'HIHFWRIRXWGRRUXQLW3&ERDUG$3
7URXEOHVKRRWLQJ
7KHDODUPLQGLFDWRULVGLVSOD\HGZKHQWKHIDQRQO\LVEHLQJXVHGDOVR
*5HIHUWRWKHUPLVWRUUHVLVWDQFHWHPSHUDWXUHFKDUDFWHULVWLFVWDEOHRQ3
(V3070)
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
Resistance
is normal when
measured after
disconnecting the thermistor
(R1T) from the outdoor unit
PC board.
(3.5kΩ~360kΩ)
Connector is
connected to X44A
ofoutdoor PC board
(A1P).
Replace outdoor unit PC board
A1P.
Connect the thermistor and turn
on again.
NO
NO
Replace the thermistor (R1T)
YES
YES