95
Diagnosis Servis
Si341213
Penyelesaian Masalah Menggunakan Remote Kontrol
Unit outdoor PCB (A1P)
+5V
X32A
(4)
Red
GND
(3)
Black
(2)
Micro-computer
A/D input
(1)
White
Penyelesaian
Masalah
Perhatian
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Replace the sensor tekanan tinggi.
Catatan:
1. Pressure sensor subject to Kode
kesalahan
2. Voltage measurement point
Replace the unit outdoor PCB
(A1P).
Replace the sensor tekanan tinggi.
Replace the unit outdoor PCB
(A1P).
Measure DC voltage here.
CHECK 12
3. Service checker type 3 or 3.1.
CHECK 12
Refer to P.138
1. Mount the high pressure
gauge.
2. Connect the checker (
3) for
VRV.
Reset the operation, and then
restart the unit outdoor.
Are the characteristics of the
high pressure sensor normal?
(Make a comparison between
the voltage characteristics (
2)
and the gauge pressure.)
NO
YES
If the PCB pressure detection
normal? (Make a comparison
between the checker (
3)
pressure data and the voltage
characteristics (
2).)
NO
YES
Are the
characteristics of
the high pressure
sensor normal?
NO
YES
H
ig
h
p
re
ss
u
re
se
n
sor
Error code
Pressure sensor subject to error code
Electric symbol
JA
High pressure sensor
S1NPH
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