29
Component Testing
Compressor Description Test Procedure
Switch, keyboard Semiconductor
Switch
for control panel
keyboard Electronic
control is not
repairable. If any
component is faulty,
entire control must be
replaced.
NOTE: Repair or replaced line
voltage components before
testing or replacing electronic
control. Do not assume problems
are caused by electronic control
system. Opened, shorted,
grounded or otherwise faulty line
voltage components (including
power cord and wiring) can
create problems that appear to be
caused by electronic control.
Switch, NO Interrupts connection to ice Check resistance across terminals.
maker when freezer door is Switch arm depressed closed
open . Switch arm not depressed open
Switch, NC Completes circuit to allow Check resistance across terminals.
indicated function. See tech Switch arm down
sheet and wiring diagram for “NC” terminals closed
individual switch. “NO” terminals open
Switch arm up
“NC” terminals open
“NO” terminals closed
Switch, power Disconnect all power to unit Check resistance across terminals
DPST when switch is OFF (open) Switch OFF (open) No continuity between 1&2, 4&5
Switch ON (closed) continuity between 1&2, 4&5
Unit shipped with switch ON.
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