Specifications

Maintenance
23
Troubleshooting Guide
POSSIBLE CAUSE(S) SUGGESTED REMEDY
SYMPTOM: Oven will not reach desired temperature
S Gas pressure to oven is too low
S Temperature hi-limit switch out of adjustment or
defective
S Internal problem with main temperature control
S F ront cooling fans not working properly
S Contact local gas representatives
S *
S *
S *
SYMPTOM: Conveyor belt will not run
S Conveyor control sw itch in OFF position
S Control circuit fuse blown (left fuse on back of
control box)
S Belt hooked on something in oven
S Defectiveconveyordrivemotor
S Defectiveconveyordrivemotorcontroller
S Turn to ON position
S Replace fuse
S Turn conveyor to OFF, unhook and repair
problem
S *
S *
SYMPTOM: Burner operates sporadically
S Air pressure switch out of adjustment S *
SYMPTOM: High temperature alarm sounds
S Excessive ambient a ir temperature
S F ront cooling fans not working properly
S Defective thermal switch
S See flow chart on next page
S *
S *
SYMPTOM: Hood system does not operate when the oven is on
S Fan exhaust supply problem
S Defective interlock circuit
S Contact HVAC
S *
*Denotes remedy is a difficult operation and should b e performed by qualified personnel only. It is recommended, however, that
All repairs and/or adjustments be done by your local Blodgett service agency and not by the owner/operator. Blodgett cannot as-
sume responsibility for damage as a result of servicing done by unqualified personnel.
WARNING!!
Always disconnect the power supply before cleaning or servicing the oven.