Viking VUAR140 Troubleshooting Guide download pdf (Page 42)

COMPONENT TESTING INFORMATION

Illustration Components Test Procedures Results

Oven light socket Test continuity receptacle Indicates continuity with bulb

terminals. screwed in.

Measure voltage at oven light 120VAC, see wiring diagram for

terminal identification. If no

voltage is present at oven light

check wiring.

Hinge Carefully open the hinge fully, &

Insert a wooden dowel or screw-

Driver bit into opening. Remove

top and bottom screws securing Do not place hands in hinge area

hinge. Slide hinge top toward when oven door is removed.

rear of unit and guide hinge out Hinge can snap closed and pinch

through frame opening or storage hands or fingers.

drawer.

Blower motor Verify supply voltage. 120 VAC

Disconnect and check continuity Continuity.

to motor at the terminals, and

verify terminals are not shorted

to chassis.

Heraeus sensor Measure resistance. Approximately 1100Ω at room

temperature.

Door lock switch Switch connections in following Normally open.

Positions:

Unlocked

Com-NO=Open, Com-NC=Closed

Locked

Com-NO=Closed, Com-NC=Open

Sail switch Switch connections in following Normally open.

position:

Not ingaged

Com-NO=Open, Com-NC=Closed

Engaged

Com-NO=Closed, Com-NC=Open

Controls Verify proper operation. Normally open

31833001 Control limit Opens at 145°F, Closes at 185°F

042056 Fan switch 1-2 (NO) Opens at 120°F, Closes at 150°F

1-3 (NC) Opens at 150°F, Closes at 120°F

Bake Burner Verify gas is supplied.

Orifice adjusted for Natural or

LP. Check for obstructions or

Contamination in ports

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Viking VUAR140 Troubleshooting Guide Page 42

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