Viking VUAR140 Troubleshooting Guide download pdf (Page 5)

TROUBLE SHOOTING

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

PROBLEM PROBABLE CAUSE CORRECTION

. Intermittent spark or ghost

12A.Lack of or improper ground. 12A. Check ground at outlet. Check

spark (Ghost spark occurs

module ground.

when the ignition system is

in the off position at approx-

imately every 20 minutes).

13.

Continued reignition on top

13A.Defective spark switch or 13A. Replace switch.

burner. incorrect switch.

13B.Position of spark electrode 13B.

Align spark electrode with burner

Port.

13C.Lack of or improper ground

13C.

Check ground outlet. Check

ground

at the module.

13D.Defective spark module. 13D. Replace spark module.

14.

Yellow tipping - produces

14A.Lack of primary air due to 14A.

Open air shutter to get rid of

the

soot and blocks flueways. incorrect air shutter adjust-

yellow tips. CAUTION-too

much

ment.

primary air will cause lifting,

noisy

flames. Balance must be obtained

14B.Blocked, dirty primary air 14B. Clean and readjust burner

openings or blocked burner ports

14C.An orifice hood out of line will 14C.

Align with burner venturi and

tube

reduce primary air injection.

14D.Faulty drilling or a dirty orifice. 14D. Clean orifice or replace faulty

drilled Orifice.

15.

Lifting flames- flames rise

15A.Lifting burner flames results 15A. Reduce primary air.

from the ports to burn some

when the flow velocity of air-

distance above the port, also

gas mixture from a port exceeds

known as a noisy flame. the flame velocity. (Flame

Velocity -the speed at which a

flame moves through a fuel/air

Mixture.)

16. Fluctuating flame

16A.Normally caused by non

16A. Check gas pressure

Uniform gas pressure. a) supply

b) regulator

16B. Check orifice for blockage.

a) metal shavings

b) dirt or dust

) excess grease from burner

valve.

17.

Floating flame-lazy looking

, 17A. Lack of secondary air. 17A. Open secondary air inlets.

no well defined inner cone,

combustion products

appears to be “reaching” for

recirculated in the burner box

air. Normally a strong contaminate the air supply.

aldehyde odor is present. 17B. The appliance may be over- 17B. a) Decrease gas flow rate

(Aldehyde-A class of com-

rated. If so the flue outlet area b) check and clear any

blockage

pounds which have a may be too small for the gas found in the flueway.

pungent distinct odor.) rate. c) check for blockage of

burners

And clean if necessary.

d) Adjust primary air to get rid

any yellow tipping which may

have produced soot to block

the Flueway.

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Viking VUAR140 Troubleshooting Guide Page 5

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