Part Number 80-01111-9 7/10 159
Component Check Procedures
Main Fuse
FUNCTION
The control board fuse stops ice machine operation if
electrical components fail causing high amp draw.
SPECIFICATIONS
•QM20/QM30
The main fuse is 250 Volt, 8 amp.
• QM45/SM50/Q130/Q170/Q210/Q270
The main fuse is 250 Volt, 10 amp.
CHECK PROCEDURE
1. If the bin switch light is on with the ice damper
closed, the fuse is good.
2. Remove the fuse. Check the resistance across
the fuse with an ohmmeter.
High (line) voltage is applied to the control b oard
at all ti mes. R emoving th e con trol boa rd fuse or
moving the to ggle switch to OFF will not remove
the power supplied to the control board.