AIY sound from external speaker

A newbie installed image, answered all questions and paired ok. Testing with “what time is it” question and answer appears on screen but nothing from speaker. Im using the AIY external speaker and answred accordingly during setup (optiion 4 i think).
Any ideas why mic appears to work but no sound.

Were you able to record and play back with mycroft-mic-test ?

-Mike Mac

Sound problem solved following reboot. Only problem now is replies that have a long explanation come through in delayed paragraphs rather than a flowing explanation as was the case with Google assistant. Is this normal or do I have another issue to be sorted?