Memory Back Up Switch; Test Run - Panasonic CZ-64ESMC2 Instructions Manual

8. Memory back up switch

Check the back up switch is ON for back side of system controller PCB.

9. Test run

(1) Power on for all indoor units. Next, power on for system controller.
will fl ash, checking the indoor unit address automatically.
(2) If group No. displayed on system controller is not same as indoor unit No.*
which is connected, see Fig. 7 and setting again.
*In case of group control, main unit No. only.
Back up switch
Back up battery
EN
19