A06B-6047-H002 control board problem

I have problem with control board from A06B-6047-H002 drive. when I turn on this machine, the diode HCAL little light. And machine have alarm. But if i wait 15min the diode HCAL goes off and everything work good. I change all capacitors on the board and still have this problem. I soldering all points on the control board and still have this problem. Whats wrong with this control board. Does anyone have a diagram of this board.Im looking for signal for HCAL diode. Please helped me.
best regards