Service manual

7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWURO 6L(1
 7URXEOHVKRRWLQJ
 ³H7´$EQRUPDO2XWGRRU)DQ0RWRU6LJQDO
5HPRWH&RQWURO
'LVSOD\
H7
$SSOLFDEOH
0RGHOV
5;<4a0
0HWKRGRI
0DOIXQFWLRQ
'HWHFWLRQ
'HWHFWLRQRIDEQRUPDOVLJQDOIURPIDQPRWRU
0DOIXQFWLRQ
'HFLVLRQ
&RQGLWLRQV
,QFDVHRIGHWHFWLRQRIDEQRUPDOVLJQDODWVWDUWLQJIDQPRWRU
6XSSRVHG
&DXVHV
 $EQRUPDOIDQPRWRUVLJQDOFLUFXLWPDOIXQFWLRQ
 %URNHQVKRUWRUGLVFRQQHFWLRQFRQQHFWRURIIDQPRWRUFRQQHFWLRQFDEOH
 )DQ,QYHUWHU3&ERDUGPDOIXQFWLRQ
7URXEOHVKRRWLQJ
'LVFRQQHFWFRQQHFWRU;$DQGPHDVXUHWKHIROORZLQJUHVLVWDQFH
(V3069)
Turn power off.
Check of fan motor connector.
(H1)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the fan motor
connector X2A
connected to PC board
for Fan inverter
correctly?
The resistance of
fan motor read wire
connector pins
between Vcc-UVW
and GND-UVW
balanced?
Replace fan motor.
Replace fan inverter PC Board.
(A3P)
YES
NO
Connect correctly.
NO
YES
X2A
GND
(V2799)
Measure the
resistance
between
Vcc-UVW and
GND-UVW.
5 Gray
Vcc
W
V
U
4 Pink
3 Orange
2 Blue
1 Yellow