Why is blue light flashing?

Flashing blue light alternating between 8 oz and 16 oz with a solid (non-flashing) green light. Coffee marker not working.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0