©2015 Hestan Commercial Corporation
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Service
All warranty and non-warranty repairs should be performed by qualified service personnel. To locate an
authorized service agent in your area contact your dealer, local representative, or the manufacturer.
Hestan Commercial Products
(888) 905-7463
Troubleshooting guide
Symptom
Check
Burner will not light
Pilot not lit
Burner ports are obstructed or dirty
Burner is not secure to orifice
Defective or clogged burner valve
Incorrect orifice or clogged orifice
Pilot will not stay lit
Pilot orifice obstructed or dirty
Vent plugged on regulator or regulator installed
improperly
Negative pressure or unbalanced ventilation in kitchen
creating drafts
Low gas pressure to unit
Slow to heat up/not recovering
Low gas pressure
Burner ports are obstructed or dirty
Defective or clogged burner valve
Incorrect orifice or clogged orifice
Unbalanced vent hood
Gas Odor
Loose or broken gas line
Ruptured pressure regulator
Burner not installed properly
Poor combustion, air fuel mixture not adjusted properly
or obstructed/dirty burner ports
Pilot not lit
Burner not working well/lazy or yellow flame
Gas pressure incorrect / incorrect regulator
Orifice sized incorrectly
Burner ports are obstructed or dirty
Poor combustion, air fuel mixture not adjusted properly
