Try removing the battery, if you have one, and remove the power cable. Then wait 5 - 10 minutes and reconnect everything. If it still doesn't work, I recommend opening a service case. Return and defect
Yes, a total of two alarm times can be set, for each of which the days of the week can be preselected in addition to the switch-on time (and station/source). For example, one time can be programmed for the weekdays and a second for the weekend.