MARATHONER GOLD & SILVERSTAR GAS CONVECTION OVENS TROUBLESHOOTING
TROUBLESHOOTING
!WARNING
ADJUSTMENTS AND SERVICE WORK MAY BE PERFORMED ONLY BY A QUALIFIED TECHNICIAN WHO IS EXPERIENCED IN, AND KNOWLEDGEABLE WITH, THE OPERATION OF COMMERCIAL COOKING EQUIPMENT. HOWEVER, TO ASSURE YOUR CONFIDENCE, CONTACT YOUR AUTHORIZED SERVICE AGENCY FOR RELIABLE SERVICE, DEPENDABLE ADVICE OR OTHER ASSISTANCE, AND FOR GENUINE FACTORY PARTS.
NOTICE
Warranty will be void and the manufacturer is relieved of all liability if service work is performed by other than a qualified technician, or if other than genuine Southbend replacement parts are installed.
In case of problems in operation at initial installation, check type of gas and manifold pressure and compare with information listed on the serial plate. The serial plate is located inside the lower front panel.
PERFORMANCE STANDARD
The typical time for the oven to heat from 75°F to 350°F is 5 to 6 minutes for ovens using natural gas, and 7 to 8 minutes for ovens using propane.
The burners should come on when the actual oven temperature drops to 10°F below the temperature setting.
INTERPRETING DISPLAYED ERROR CODES
Programmable and Rack Timer models are able to detect some problems that might occur. If the control panel display is showing a letter “F” followed by a number, consult the following table to determine the problem and appropriate corrective action.
Symptom | Possible Cause | Check or Replace |
Display shows F1 | Bad temperature controller. |
Display shows F2 | Oven interior maximum temperature |
| exceeded. |
Display shows F3 | Open temperature probe. |
|
|
Display shows F4 | Shorted temperature probe. |
|
|
Display shows F5 | Bad temperature controller. |
|
|
Display shows F6 | Bad temperature controller. |
|
|
Display shows F7 | Total cook time in a program exceeds 24 |
| hours (programmable models only). |
Display shows F8 | Bad temperature controller. |
Replace temperature controller.
Check whether gas valve is stuck open. If not, replace temperature controller.
Check connection. If connection is OK, replace probe. Check probe wires. If wires are not shorted, replace probe. Replace temperature controller.
Replace temperature controller.
Change program so that total cook time does not exceed 24 hours.
Replace temperature controller.
TROUBLESHOOTING
OPERATOR’S MANUAL 1181887 REV 3 | PAGE 41 |
