Husqvarna VIKING HUSKYLOCK 936 Service Manual page 41

FEED & DIFFERENTIAL
Feeding is abnormal.
— Change control board.
— Change transformer.
— Change step motor.
LIGHTING
Bulb not working
— If bulb defective, change bulb.
— If loose contact of lamp terminal, tighten the bulb.
— Measure the voltage to (CN8) on control board, change control board if
— Change transformer.
OTHERS
Machine does not run, LCD back light & lamp does not work.
— Change power supply cord.
— Measure the voltage of CN2, if abnormal change power switch assembly
— Measure the voltage on CN4, if abnormal change power board
— Change transformer.
— Change control board.
abnormal voltage.
104 72 49-26 Husqvarna Viking Huskylock 936 41