Questions regarding anomalies on flats and lights using the ASI2600MM - help appreciated

[Xsubmariner]

17 hours ago, Stuart1971 said:

‘So the seller had obvi

A watch of Nick’s video might provide an answer

 .  As he explains ZWO we’re sorry about their design fault but left it to owners to clean up their problem. After owning several ZWO cameras including the dreaded frosting ZWO 071 before the pro version, I decided to switch to QHY and have been very happy. I still own several smaller (non cooled) ZWO’s and one 2600mc which thankfully was after the thermal lube problem.

I wouldn’t be too hard on the seller, he did agree to take it back if necessary. I am not saying this was the reason for your problem but thankfully yours was easily resolvable and you probably acquired it much cheaper than a new unit. I have acquired used cameras in the past and they have delivered great value for money. 
 

Clear skies and every success imaging with your new camera, the sensors overall performance is a game changer in UK Astrophotography, enjoy.

[Stuart1971]

32 minutes ago, Xsubmariner said:

A watch of Nick’s video might provide an answer

 .  As he explains ZWO we’re sorry about their design fault but left it to owners to clean up their problem. After owning several ZWO cameras including the dreaded frosting ZWO 071 before the pro version, I decided to switch to QHY and have been very happy. I still own several smaller (non cooled) ZWO’s and one 2600mc which thankfully was after the thermal lube problem.

I wouldn’t be too hard on the seller, he did agree to take it back if necessary. I am not saying this was the reason for your problem but thankfully yours was easily resolvable and you probably acquired it much cheaper than a new unit. I have acquired used cameras in the past and they have delivered great value for money. 
 

Clear skies and every success imaging with your new camera, the sensors overall performance is a game changer in UK Astrophotography, enjoy.

It was not my issue, you got the wrong person…👍🏻

[Xsubmariner]

24 minutes ago, Stuart1971 said:

It was not my issue, you got the wrong person…👍🏻

Thank you Stuart, my poor grammar.  My response was intended for the thread author as you say. 👍