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SiUS28-902_a
Troubleshooting by Indication on the Remote Controller
Troubleshooting
118
Troubleshooting
∗
1: Voltage measurement point
∗
2: Refer to
Pressure Sensor, Pressure / Voltage Characteristics
table on P.168.
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 co
u
ld
b
e damaged.
The
relationship
b
et
w
een the
*
1
V
H and high press
u
re
is normal (see
*
2)
w
hen
v
oltage is meas
u
red
b
et
w
een
X17A pins (1) and (3) of
o
u
tdoor
u
nit P.C.B.
(A1P)
(see
*
1).
Replace the high press
u
re sensor.
Connect the high press
u
re sensor
and t
u
rn on again.
N
O
N
O
Replace the o
u
tdoor
u
nit P.C.B.
(A1P).
YES
YES
The high
press
u
re sensor is
connected to X17A of
o
u
tdoor
u
nit P.C.B.
(A1P).
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