Daikin Aurora Series, Service Manual, Page: 301 / 333

SiUS341802E Check
Service Diagnosis 288
RXLQ72TAYDU
Point of Measurement and Judgement Criteria
Turn OFF the power supply. Then, after a lapse of 10 minutes or more, make measurement of
resistance.
PCB and Circuit Diagram
When using the analog type of multimeter,
make measurement in resistance
measurement mode in the x1 k
Ω
range.
When using the digital type of multimeter,
make measurement in diode check mode
(
)
No.
Measuring
point
Judgement
criteria
Remarks No.
Measuring
point
Judgement
criteria
Remarks
+ – + –
1 P21 U
2 ~ 30 k
Ω
1 P21 U
1.2 V or
more
Due to condenser
charge and so on,
resistance
measurement may
require some time.
2 P21 V 2 P21 V
3 P21 W 3 P21 W
4 U P21
15 k
Ω
or
more
(including
)
Due to condenser
charge and so on,
resistance
measurement may
require some time.
4 U P21
0.3 ~ 0.7 V
5 V P21 5 V P21
6 W P21 6 W P21
7 N5 U 7 N5 U
8 N5 V 8 N5 V
9 N5 W 9 N5 W
10 U N5
2 ~ 30 k
Ω
10 U N5
1.2 V or
more
Due to condenser
charge and so on,
resistance
measurement may
require some time.
11 V N5 11 V N5
12 W N5 12 W N5
R867
V2R
C47
X41A
C48
HAP
+
P11
X601A
BLK
X2A
N5
X5A
X4A
–
F601U
+
RED
+
L11
WHT
L12
+
PS
K3R
L3B L2B
V
R865
P4
X602A
N4
X63A
K1M
–
P5
U
V1R
L1B
R313
P21
W
X6A
460V 16K
U
V
W
N5
P21