Hi Mike
I just recorded a show on saturday to my “WD My Book” – Harddrive! Worked perfect (Multitrack Recording)! Someone told me to plug in the Harddrive (as well as the usb-stick) before turning the console on to recognise a Harddrive is plugged in! However, on Saturday it worked without any problems even if i unplugged and replugged the Harddrive while the Qu-16 was running!
Do you use a Harddrive that is listed on A&H Homepage?
https://allen-heath.helpserve.com/Knowledgebase/Article/GetAttachment/774/37007
GLD-80 / AR2412 / AR84 / Qu-16