MINI MILLS - MINI LATHES

Check for 120V AC between 4-5, If none then test fuse, power switch and speed potentiometer. If 120v present check for 12V DC between P1-P3, If none then board needs repair.

Check for 120V AC at L1 nd L2. If none then check power switch and fuse. Install jumper from K3-K4. If yellow fault LED is out when switch is in F or R,  check for approx 6V DC between P1-P3 If none board needs repair.

Be sure green LED is illuminated on power board. If not check fuse and power switch. If motor jerks violently, or requires manual rotation to start then power board needs repair.

Obtain a 9 volt battery and touch the motor leads to the battery terminals. Motor should spin slowly and smoothly. If no rotation or speed is erratic then motor needs repair.