Daikin RQYQ16PY1 [132/194] 1 pressure sensor subject to malfunction code

Daikin RQYQ20PY1 [132/194] 1 pressure sensor subject to malfunction code
Troubleshooting by Remote Controller Si341009
123 Troubleshooting
Troubleshooting
Note:
*1. Pressure sensor subject to malfunction code
*2. Voltage measurement point
Refer to P.176
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Are the characteristics of the
high pressure sensor normal?
(Make a comparison between
the voltage characteristics (*2)
and the gauge pressure.)
NO
Replace the high pressure sensor.
1. Mount the high pressure
gauge.
2. Connect the checker for
VRV.
If the PCB pressure detection
normal? (Make a comparison
between the checker pressure
data and the voltage
characteristics (*2).)
Reset the operation, and then
restart the outdoor unit.
Are the
characteristics of
the high pressure
sensor normal?
Replace the outdoor unit PCB.
Replace the high pressure sensor.
Replace the outdoor unit PCB.
NO
NO
YES
YES
YES
Malfunction code Pressure sensor subject to malfunction code Electric symbol
JA High pressure sensor S1NPH
Outdoor unit PCB (A1P)
+5V
GND
Micro-computer
A/D input
Measure DC voltage here.
X32A
(4)
(3)
(2)
(1)
Red
Black
White
High pressure sensor
CHECK 12

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Ответы 0

Hi, good afternoon.
1 год назад