I have one T17e, one card burned out the chips heatsinks came away made short-circuit, so I have two boards left, One is dead tells me 0 Asics. And the other one must to be placed at a warm place in order to startup and work, because a normal cold start-up doesn't come to live. Do you know what I should do to fix that in order to cold start my miner normaly.. not needed  to warm it up to start it.. the problem that the board gives to me when it cold start is 0,then 4 then 6 Asics and ERROR_TEMP_LOST.. should I change the temp sensor..?? or should I remove all the heatsinks and clean it.. and put the heatsinks again? in order to heat the board over a faulty contact on the board?

Thanks for any help in advance..!!!