Daikin Aurora Series Service Manual page 301

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