Maintenance
25
Troubleshooting Guide
POSSIBLE CAUSE(S)
SUGGESTED REMEDY
SYMPTOM: Blower motors not running
S
Computer control turned OFF
S
No power to oven
S
Motor circuit breaker open
S
Control circuit breaker open
S
Motor(s) burned out
S
Press ON/OFF key
S
Replace main fuses or reset breakers
S
Reset breaker
S
Reset breaker
S
*
SYMPTOM: Computer control displays: High Temp limit, Probe Open, or Probe Short
S
Control not properly installed
S
Internal problem with control
S
Loose thermocouple connections at control
S
Short in thermocouple
S
Reinstall
S
*
S
*
S
*
SYMPTOM: Burner will not fire
S
Control turned OFF
S
Blower motor(s) not running
S
Control not set above ambient temperature
S
Manual gas valve closed
S
Cooling fan not working properly
S
Defective control
S
Press ON/OFF key
S
Blower motor(s) must be running. Check circuit
breakers
S
Set to desired temperature
S
Open valve
S
*
S
*
SYMPTOM: Conveyor belt will not run
S
Conveyor control switch in OFF position
S
Control circuit fuse blown
S
Belt hooked on something in oven
S
Defective conveyor drive motor
S
Defective conveyor drive motor controller
S
Turn to ON position
S
Replace fuse
S
Turn oven OFF. Unhook and resolve problem
S
*
S
*
*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.