Daikin VRV II-Q RQYQ8-48PY1B Service Manual page 143

SiBE341027
Note:
*1. Voltage measurement point
Service Diagnosis
Outdoor unit PCB (A1P)
Micro-computer
A/D input
CHECK 12 Refer to P.191
Connector for low
+5V
pressure sensor
GND
Make measurement of DC
voltage between these wires.
Troubleshooting by Remote Controller
X31A
(4) Red
(3)
Black
(2)
White
(1)
133