Amana Bottom Mount Refrigerator Service Manual page 23

Component Function and Testing
Sw itch, Opens circuit to icemaker w hen freezer door is open to
icemaker prevent cycle w hile door is open.
interlock, no
Sw itch, light nc Completes circuit to turn on light w hen refrigerator or
freezer door is opened.
NO COM
NC
Sw itch, pow er Shuts off all pow er to refrigerator w hen sw itch is off
DPST (open). Refrigerator is shipped w ith sw itch on.
Sw itch, On position completes pow er to lights and display only.
show room, Off position completes circuit for normal operation.
SPDT
Sw itch, slide
Sw itch, light Completes light circuit w hen freezer door is open.
Thermistor Senses temperatures w ithin refrigerator and freezer
compartments
April 1998
Check resistance across terminals w ith:
Sw itch arm depressed
Sw itch arm not depressed
Check resistance across terminals w ith
Sw itch arm depressed
Sw itch arm not depressed
Check resistance across terminals w ith:
Sw itch off (open) no continuity betw een 1 and 2, 4 and 5
Sw itch on (closed) continuity betw een 1 and 2, 4 and 5
Check resistance at test points:
Show room operation - E3, at high voltage board to pin 3 (blue/w hite w ire)
at high voltage w ire harness.
Unit run - E9, at high voltage board to pin 3 (blue/w hite w ire) at high
voltage w ire harness.
Check resistance across terminals
Sw itch up
Middle terminal to top terminal
Middle terminal to low er terminal
Sw itch dow n
Middle terminal to top terminal
Middle terminal to low er terminal
Check resistance across terminals w ith:
Sw itch arm depressed
Sw itch arm not depressed
See "Electronic Function Description, Temperature Control Operation"
for resistance values for a given temperature.
23
Closed
Open
Open
Closed
0 Ohms
Infinite Ohms
Infinite Ohms
Open
Closed
RS1200001 Rev.1