2002 Audi A4 Quattro Q&A

2002 Audi A4 Quattro Question: no heat, fan works but no heat from defroster or vents nothing?

made sure heater core wasn't blocked -
Answer 1
Possible blend door actuator is not functioning. Need to check to see if blend door is switching over to the heater core side. -
Answer 2
AGREE WITH #1 -