Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 247

SiUS331604E
CHECK 12
Voltage measurement Point
High pressure sensor
Low pressure sensor
Service Diagnosis
Main PCB (A1P)
Micro-computer
A/D input
Measure DC voltage here.
Main PCB (A1P)
Micro-computer
A/D input
Measure DC voltage here.
Troubleshooting by Error Code
X17A (black)
(4) Red
(3) Black
(2)
(1)
White
X18A (white)
(4) Red
Black
(3)
(2)
White
(1)
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