Viking VUAR140 Troubleshooting Guide download pdf (Page 74)

Component Description Test Procedures

Switch, keyboard Semiconductor

switch for 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 be

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.

icemaker interlock 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.

Refrigerator light, indicated function. See tech Switch arm down

Freezer light sheet and wiring diagram for “NC” terminal Closed

Refrigerator fan individual switch. “NO” terminal Open

Switch arm up

“NC” terminals Open

“NO” terminals Closed

Switch, power Disconnects all power to unit Check resistance across terminals

DPST when switch is OFF (open). Switch OFF (open) No continuity between 1-2 or 4-5

Switch ON (closed) continuity between 1-2 and 4-5

Unit shipped with ON

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Viking VUAR140 Troubleshooting Guide Page 74