Light or nute burn please help

[t.m.e.hurley]

Hi all i went to check my plants yesterday and the top buds and leaves closest to the lights look burnt and i noticed that the plug had been pulled on the fan and the heat was quite high but im worried that it could be nute burn instead but the plant lower down looks ok. Opinions please

 

[SBBCal]

Hi all i went to check my plants yesterday and the top buds and leaves closest to the lights look burnt and i noticed that the plug had been pulled on the fan and the heat was quite high but im worried that it could be nute burn instead but the plant lower down looks ok. Opinions please

From the sporadic cupping and clawing upwards , I’d say heat/ light..

 

[t.m.e.hurley]

Thanks for you reply thats what i thought and i thought it to much of a coincidence that my fan came unplugged when this has happened but i did feed the night before so thats why i questioned myself