Viking VUAR140 Troubleshooting Guide download pdf (Page 3)

TROUBLE SHOOTING

GUIDE__---- FREESTANDING GAS RANGE ----

PROBLEM PROBABLE CAUSE CORRECTION

1. No bake operation in bake 1

. No voltage to thermostat 1

. Check for 120VAC at the thermostat

or broil. terminals BA to Neutral. If no

voltage is present check for broken

wiring.

2. No bake operation. Broil 2

. Defective thermostat 2

Check thermostat contacts for

continuity

operates normally, bake

contacts or check for 120VAC at

thermostat

ignitor does not glow red. contact BA to Neutral. If no voltage is

present or open

contacts indicated, replace

the thermostat. If voltage is present or

contacts is closed, check for broken

wiring between thermostat and ignitor.

Proceed to 2B.

2 B. Defective ignitor. 2 B .Check ignitor for continuity. If no

continuity is indicated or if ignitor does

not glow when tested, replace the ignitor.

If the ignitor glows when tested or indicates

continuity, check for broken wiring between

the ignitor and gas valve. Proceed to 2C.

2C. Open heater coil in gas 2C. Check gas valve heater coil for continuity.

valve. If heater coil is open replace the gas valve.

If continuity is indicated, check for broken

wiring between the gas valve and

thermostat.

3. No broil operation. Bake 3A. Defective thermostat 3A.

Check thermostat contacts for

continuity

operates normally. Broil

contacts.or check for 120VAC at the t-

stat

ignitor does not glow red. Contacts BR to Neutral. If no voltage is

present or open contact is indicated,

replace the thermostat. If voltage is

present or the contact is closed, check

for broken wiring between the t-stat and

ignitor.

3B.Defective ignitor. 3B. Check the ignitor for continuity, if no

continuity is indicated or if the ignitor

does not glow when tested, replace the

ignitor.If the ignitor glows when tested

or indicated continuity, check for

broken wiring between the ignitor and

gas valve. Proceed to 3C.

3C. Open heater 3C. Check the gas valve heater coil for

continuity. If the heater coil is open,

replace the gas valve. If continuity is

indicated, check for broken wiring

between the gas valve and thermostat.

4. No gas flow to the burner 4A. Defective ignitor 4A. Check the ignitor current draw. If less

ignitor glows red. Than 3.2 amps replace the ignitor.

a) Intermittent burner flame 4B.Gas pressure too low .

4B. Check the for correct gas pressure.

Nat

b) lighting only one side of gas pressure should be 5"WCP and LP

c) gas odors --d) lowering gas pressure should be 10" WCP.

average temp. of oven.

1 2 3 4 5 6 7 8 ... 91 92

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Viking VUAR140 Troubleshooting Guide Page 3

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