Part Number STH038 5/12 137
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, 8 amp.
CHECK PROCEDURE
1. If the bin switch light is on with the water curtain/
ice dampers closed, the fuse is good.
2. Remove the fuse. Check for continuity across the
fuse with an ohmmeter.
High (line) voltage is applied to the control board
(terminals #55 and #56) at all times. Removing the
control board fuse or pressing the On/Off button will
not remove the power supplied to the control board.
Disconnect electrical power to the entire ice
machine before proceeding.
Reading Result
Open (OL) Replace fuse
Closed (O) Fuse is good
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