Daikin VRV REYQ96MTJU Design, Installation & Testing Instruction page 130

Appendix
7.10.2 Example 2:
units and corresponding
Situation The remote controller is not showing any malfunction and the system is operating but there is no
flow of warm air from the indoor unit (in heating mode).
Source of The connecting cables and the corresponding piping were not correctly matched.
Recabling was carried out and the fault disappeared.
Problem and
Remedial Action
Main Points
124
Mismatch between cables connecting indoor and outdoor
piping. (all model)
Special care must be taken when the pipework and cabling are carried out by different people.
Run each indoor unit in turn to check that the system is correctly matched.
Si39-406
General Information