Maintenance
27
Troubleshooting Guide
POSSIBLE CAUSE(S)
SUGGESTED REMEDY
SYMPTOM: Oven will not reach desired temperature
S
Computer control turned OFF
S
No power to oven
S
Blower motor(s) not running
S
Shorted temperature probe
S
Temperature hi-limit switch out of adjustment or
defective
S
Internal problem with main temperature controller
S
Cooling fan not working properly
S
Defective heating element relay
S
Gas pressure to oven is too low (MT1828G)
S
Press ON/OFF key
S
Replace main fuses
S
Check control switch and/or fuses
S
*
S
*
S
*
S
*
S
*
S
Contact local gas representative
SYMPTOM: Conveyor belt will not run
S
Computer control turned OFF
S
Control circuit fuse blown
S
Belt hooked on something in oven
S
Defective conveyor drive motor
S
Defective conveyor drive motor controller
S
Loose cable
S
Press ON/OFF key
S
Replace fuse
S
Turn oven OFF, Unhook and resolve problem
S
*
S
*
S
*
SYMPTOM: Burner operates sporadically (MT1828G)
S
Manual gas valve closed
S
Open valve
*Denotes remedy is a difficult operation and should be 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.