Vulcan-Hart ICM60, ICM24, ICM36, ICM48, ICM72 service manual SECTION lll TROUBLE SHOOTING

Models: ICM72 ICM48 ICM60 ICM36 ICM24

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SECTION lll

SECTION lll

TROUBLE SHOOTING

Uneven heating, sides burning

A)

Temperature too low.

 

 

 

B)

Improper operation of broiler.

 

 

C)

Fluctuating gas pressure.

 

 

 

 

 

 

 

To much top heat

A)

Temperature too high.

 

 

B)

Faulty ventilation.

 

 

C)

Excessive heat input.

 

 

D)

Overrated (pressure too high or orifice too large).

.

 

 

 

 

 

 

 

 

 

 

 

 

Uneven heat side to side

A)

Appliance not level side to side.

 

 

B)

Burner is improperly installed.

 

 

 

 

 

Uneven heat front to back

A)

Appliance not level front to back.

 

 

 

 

 

Dried out products

A)

Melting time is too long or product is too close

 

 

 

to the burner.

 

 

B)

Overrated (gas pressure too high or orifice is

 

 

 

too large).

 

 

 

 

 

 

Pilot outage

A)

Pilot flame is too low.

 

 

B)

Restriction in pilot orifice.

 

 

 

 

Poor ignition

A)

Insufficient gas input.

 

 

B)

Poor air to gas adjustment.

 

 

C)

Restriction in pilot orifice.

 

 

D)

Restriction in main burner ignition port.

 

 

E)

Pilot adjustment is incorrect.

 

 

 

 

 

 

 

FORM 30915 (3-95)

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Page 12
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Vulcan-Hart ICM60, ICM24, ICM36, ICM48, ICM72 service manual SECTION lll TROUBLE SHOOTING