Component Check Procedures; Main Fuse - Manitowoc STH042 7/15 Technician's Handbook

Component Check Procedures

Main Fuse

Function
The control board fuse stops ice machine operation if
electrical components fail causing high amp draw.
Specifications
• The main fuse is 250 Volt, 10 amp.
High (line) voltage is applied to the control board
at all times. Removing the control board fuse or
pressing the power button will not remove the power
supplied to the control board.
Check Procedure
1. If the curtain light is on with the ice damper closed,
the fuse is good.
Disconnect electrical power to the entire ice machine
before proceeding.
2. Remove the fuse. Check the resistance across the
fuse with an ohmmeter.
Reading
Open (OL)
Closed (O)
Part Number STH042 7/15

Warning

Warning
Result
Replace fuse
Fuse is good
97