Maintenance

Troubleshooting Guide

 

POSSIBLE CAUSE(S)

 

SUGGESTED REMEDY

 

 

 

 

 

SYMPTOM: Blower motor not running

 

 

 

 

 

 

S

No power to oven

S

Press POWER ON/OFF key

S

Door is open

S

Close the door

S

Door switch malfunction

S

*

S

Motor burned out

S

*

 

 

 

 

 

SYMPTOM: Controller displays PROB

 

 

 

 

 

 

S

Short or open temperature probe

S

*

S

Loose probe connections at controller or

S

*

 

thermostat

 

 

S

Internal problem with controller

S

*

 

 

 

 

 

SYMPTOM: Motor is running: No Heat

 

 

 

 

 

 

S

Loose wire between element and relay

S

*

S

Element burned out

S

*

S

Element relay malfunction

S

*

S

Malfunction in controller or thermostat

S

*

S

Hi limit thermal switch opened

S

*

 

 

 

 

 

SYMPTOM: Oven on --- Control not working

 

 

 

 

 

 

S

Computer controller not properly installed

S

Reinstall

S

Internal problem with computer controller

S

*

S

Thermostat malfunction

S

*

 

 

 

 

SYMPTOM: Baking Problems --- Product too light or dark

 

 

 

 

S

Oven calibration

S

*

S Cook temperature or time not correct for the

S

Adjust the controller recipe program

 

product

 

 

S Initial raw product temperature not consistent for

S

Adjust the initial product temperature to meet

 

programmed product time and temperature

 

standards

 

 

 

 

*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.

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Blodgett KCO-25E manual Troubleshooting Guide, Possible Causes Suggested Remedy