1291:  Flash on PRE-DRV board.
Corrosion.
Repair PCB.
33uF 25V SMD => 33uF 63V.
Cleaning.
1388: cleanind PCB from layer of magnesium.
Setting motor position in accordance whith the procedure:
1. Release motor from clutch
2. Make sure that the motor rotates 
(If no to do manual rotation without powering servo 
 and repeat item 2).
3. Disable servo (Power OFF).
4. Return the motor in clutch. motor should find the position, 
lean on and stopping. Machine is ready. Servo should be without alarm.