Daikin VRV X RXQ6-48ANR Series Service Manual page 202

Troubleshooting by Error Code
Reference
CHECK 1 Refer to page 261.
Reference
CHECK 12 Refer to page 272.
196
A
CHECK 12
Service Checker
Connect the service checker, and then compare the high pressure value
measured by the service checker with the voltage measurement of the
connector of the pressure sensor (∗1)
Are both
NO
pressure values the
same?
YES
-The high pressure sensor is normal, and the outdoor unit main PCB is also
normal.
-The high pressure has really become high.
CHECK 1 Eliminate factors that cause the high pressure to rise.
SiME341909EA
Replace the outdoor unit
main PCB (A1P).
Part 6 Service Diagnosis