382:Internal Power Supply fault.
All capacitors changed.
Repair PCB after heating.
Pre driver PCB: 1k for soft start.
Repair the power board: 
changed SS-resistors 22R 7W*4 (88R 28W) to 
100R II 100R + 100R II 100R (100R 40W).
1911: PS (ZD20V-3), 7800 -3, FAN 24V -2.
7&8 pins for start 3&4 4-20mA
1951: PS, 74HC240 => 74AC240
Capacitors on Pre-DRV board.
7&8 pins for start 3&4 4-20mA