![background image](http://html2.mh-extra.com/html/daikin/skyair-rzq-p-series/skyair-rzq-p-series_service-manual_4705705122.webp)
Troubleshooting by Indication on the Remote Controller
SiUS28-902_B
114
Service Diagnosis
Troubleshooting
(Orange) 1
Meas
u
ring points
1 - 6
2 - 6
3 - 6
4 - 6
(Red) 2
(Yello
w
) 3
(Black) 4
5
(Gray) 6
Electronic
expansion
v
al
v
e is
connected to X21A or X22A of
o
u
tdoor
u
nit PCB
(A1P).
The
connecting ca
b
le is
short circ
u
ited or
disconnected.
N
ormal
w
hen coil check
(
*
1) of the electronic
expansion
v
al
v
e coil is
checked.
Ret
u
rn to normal?
*
Make meas
u
rement of resistance
b
et
w
een the connector pins, and then make s
u
re the resistance falls in
the range of 40 to 50
W
.
YES
Caution
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
the connector or parts may
b
e damaged.
T
u
rn po
w
er s
u
pply OFF, and
t
u
rn po
w
er s
u
pply O
N
again.
Replace the connecting ca
b
le.
Replace the o
u
tdoor
u
nit PCB
(A1P).
N
O
N
O
N
O
N
O
Replace the electronic expansion
v
al
v
e coil.
External factor (
N
oise, etc.).
After connecting, t
u
rn the po
w
er
OFF and then
b
ack O
N
again.
YES
YES
YES