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| Maintenance | ||
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| Troubleshooting Guide | ||
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| POSSIBLE CAUSE(S) |
| SUGGESTED REMEDY |
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| SYMPTOM: Blower motor(s) not running |
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| S | Computer Control turned OFF | S | Press ON/OFF key |
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| S | Emergency stop switch on OFF | S | Pull switch out to ON |
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| S | No power to oven | S | Reset breaker |
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| S | Motor circuit breaker open | S | * |
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| S | Control Circuit breaker open | S | * |
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| S | Motor(s) burned out | S | * |
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| SYMPTOM: Computer controller displays: |
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| S | Shorted or open RTD probe | S | Press Clear key to silence buzzer |
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| S | Computer controller not properly installed | S | Reinstall |
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| S | Internal problem with computer Controller | S | * |
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| S | Loose connections at the computer Controller | S | * |
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| SYMPTOM: Burner will not fire |
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| S | Computer control turned OFF | S | Press ON/OFF key |
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| S | Emergency stop switch on OFF | S | Pull switch out to ON |
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| S | Blower motor(s) not running | S | * |
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| S | Computer temperature not set above ambient | S | Set to desired temperature |
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| temperature |
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| S | Manual gas valve closed | S | Open valve |
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| S | High limit control tripped | S | * |
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| S | Defective Computer Controller | S | * |
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| S | Control circuit breaker tripped | S | * |
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| S | Air pressure switch out of adjustment | S | * |
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| S | Thermal switch in control compartment tripped | S | Excessive intake air temperature |
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| *Denotes remedy is a difficult operation and should be performed by qualified personnel only. It is recommended, however, that |
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| All repairs and/or adjustments be done by your local Blodgett service agency and not by the owner/operator. Blodgett cannot as- |
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| sume responsibility for damage as a result of servicing done by unqualified personnel. |
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WARNING!!
Always disconnect the power supply before cleaning or servicing the oven.
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