Memory Backup Switch; Test Run - Sanyo MINI ECO-i XHX1252 Service Manual & Test Run Service Manual

4. System Controller (SHA-KC64UG)

5. Memory backup switch

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

6. Test run

(1)Power on for all indoor units. Next, power on for system controller.
will flash, checking the indoor unit address automatically.
(2)If GROUP No. displayed on system controller is not same as indoor UNIT
No.* which is connected, refer to "3. Mode Setting" and set again.
*In case of group control, main UNIT No. only.
2-60
Remote Control Functions
Backup switch
Backup battery