Vulcan-Hart 24L Troubleshooting Guide, Standard And Convection Oven Restaurant Range, Problem

Models: 260L 160L 36L 60L 48L 481L 24L VG260 VG60 VG24 VG36 VG160 VG48

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TROUBLESHOOTING GUIDE

TROUBLESHOOTING GUIDE

STANDARD AND CONVECTION OVEN RESTAURANT RANGE

OVEN

 

PROBLEM

CAUSES

 

 

 

 

 

 

1. Too much bottom heat

a)

Insufficient ventilation

 

 

 

 

b)

Improper fluing

 

1a. Too low temperature

c)

Improper thermostat bypass setting

 

1b. Side burning

d)

Thermostat out of calibration

 

1c. Too much top heat

e)

Fluctuating gas pressure

 

 

 

 

 

 

 

2.

Uneven bake side to side

a)

Not level side to side

 

 

 

 

b) Oven burner, bottom or baffles improperly installed

 

 

 

 

c)

Warped pans

 

 

 

 

 

 

 

3.

Uneven bake front to rear

a)

Overactive flue

 

 

 

 

b)

Not level front to back; check casters and legs

 

 

 

 

c) Door not closing properly

 

 

 

 

 

 

 

4.

Dried out products

a)

Too low temperature (overcooking)

 

 

 

 

b)

Too long baking time

 

 

 

 

c)

Thermostat calibration

 

 

 

 

 

 

 

5.

Pilot outage

a)

Pilot flame too low

 

 

 

 

b)

Restriction in pilot orifice

 

 

 

 

c) Problem with shutoff valve

 

 

 

 

d)

Possible fluing problems

 

 

 

 

e)

Low pressure

 

 

 

 

f)

Improper gas line sizing

 

 

 

 

g)

Burner box cover not properly installed

 

 

 

 

h)

Oven cavity requires resealing

 

 

 

 

 

TOP BURNER OPERATION

 

 

 

 

 

 

 

 

 

1.

Improper burner combustion

 

a)

Improper ventilation

 

 

Excessive valve handle temperatures

 

b)

Poor door fit

 

 

Sticking top burner valves

 

c)

Oven door left open

 

 

 

 

d)

Improper use of excessively large pans or pots

 

 

 

 

 

 

 

2.

Poor ignition

 

a)

Insufficient input

 

 

 

 

b)

Poor air-gas adjustment

 

 

 

 

c) Restriction in pilot orifice

 

 

 

 

d)

Restriction in main burner ignition port

 

 

 

 

 

 

F-31055 Rev. D (02-04)

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PRINTED IN U.S.A.

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Vulcan-Hart 24L, VG48, VG160, VG36, 48L Troubleshooting Guide, Standard And Convection Oven Restaurant Range, Problem, Causes