Daikin VRV RXYMQ-A Series Service Manual page 265

SiME332106E
Part 6 Service Diagnosis
Diagnosis Flowchart-11
U7-11
Error code Sub code
(Connection of excess indoor units
for test operation)
There
is an error in
the connection of
indoor-outdoor, indoor-indoor,
and outdoor multi
transmission
wirings.
NO
The
capacity to
connect indoor units
falls within the specified
range.
YES
Troubleshooting by Error Code
YES
Rectify the error in the connection
of transmission wirings, and then
reset the power supply.
NO
Check the capacity to connect
indoor units.
Replace the outdoor unit main
PCB (A1P).
259