Mitsubishi Electric AE-200A Instruction Book page 60

Note
● Message that will appear when the date and time have been reset
If the power supply is cut off for a long time due to power failure or other reasons, the date and time will be reset, and the
following popup message will appear when the power is turned on next. If this message appears, set the date and time
again.
* This message will appear periodically until the date and time setting is made.
* If the controller is used without the date and time being set, the Schedule function or the Night Setback Control will not work properly.
* If the [Time Master/Sub] setting for the given controller is set to [Sub], temporarily change the setting to [Master], set the current date and
time, and then set the setting back to [Sub].
WT07982X03
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