Daikin VRV II Series Design, Installation & Testing Instructions page 157

Si39-303
7.12.9 Example 9:
controller.
Situation
The display on the central remote controller does not change from its initial state after turning power ON.
Initial display of the central remote controller
Cause
1. None of the indoor units connected to the central remote controller have been given a group No.
2. The connector for setting the master controller inside the central remote controller is disconnected.
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Remedial Action
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Main Points
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General Information
"88 88 88 88" cannot be cleared from the central remote
Set a centralized control group No. for each indoor unit with the respective remote controllers.
Connect the connector for setting the master controller in one of the central remote controller.
If the setting for master controller has been changed, reset the power to the unit at the ON/OFF switch
or the forced reset switch of the controller.
Activate power to the central remote controller, unified ON/OFF controller and indoor unit before setting
the centralized control group No.
For details on how to set the centralized control group number, refer to the installation manual.
Appendix
151