Component Check Procedures; Main Fuse - Koolaire STH045 8/15 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, 3.15 amp.
High (line) voltage is applied to the control board
at all times. Removing the control board fuse or
cycling the toggle switch Off/On will not remove
the power supplied to the control board.
Check Procedure
1. If the curtain light is on with the water curtain
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 STH045 8/15
Warning
!
Warning
!
Result
Replace fuse
Fuse is good
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