Daikin VRV Aurora RXLQ-TATJU Series Service Manual page 381

SiUS341802EC
RXLQ72TAYDU, RXLQ72TAYDA, RXLQ72TBYDA
Point of Measurement and Judgment Criteria
 Turn OFF the power supply. Then, after a lapse of 10 minutes or more, make measurement of
No.
1
2
3
4
5
6
7
8
9
10
11
12
PCB and Circuit Diagram
Part 6 Service Diagnosis
resistance.
When using the analog type of multimeter,
Measuring
make measurement in resistance
point
measurement mode in the x1 k range.
+ – Judgement Criteria
P21 U
P21 V
2 ~ 30 k
P21 W
U P21
V P21
W P21
15 k and more
(including )
N5 U
N5 V
N5 W
U N5
V N5
2 ~ 30 k
W N5
P21
U
V
W
N5
When using the digital type of
multimeter, make measurement in
diode check mode (
Remarks Judgement Criteria
– 1.2 V or more
Due to condenser
charge and so on,
resistance
measurement may
0.3 ~ 0.7 V
require some time.
– 1.2 V or more
X41A
P4
X601A
).
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.
460 V 16K
X602A
L1B L2B L3B
L11
L12
N4
K3R
K1M
X2A
X4A
V1R
+ –
P11
X6A
C47 C48
+ +
PS
HAP
P21
R865 R867
X63A
R313
+
–
V2R
P5 N5
U V W
RED BLK
X5A
WHT
Check
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