Thermador®
S, SM, AND SMW Oven Error Code Messages…continued
Error Code |
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Displayed |
| Probable Cause |
| Example |
| Corrective Action |
F- |
| Communication error |
| Control head |
| Check all connections between both power/relay |
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| detected by main |
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| boards. Check all power connections between the |
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| power/relay board. |
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| power/relay board and the control head. Check all |
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| communication connections between the power/relay |
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| board and the control head. See note 1. |
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Fr |
| (1) Invalid door latch switch |
| Defective or jammed |
| Make sure the lower latch switches are operating |
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| status for lower oven |
| lower oven latch |
| properly. Replace the lower latch if necessary. |
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| switches |
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| (2) Communication Error at |
| Check Control Head |
| Check all connections between both power/relay |
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| boards. Check all power connections between the | ||
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| display head. |
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| power/relay board and the control head. Check all |
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| communication connections between the power/relay |
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| board and the control head. See note 1. |
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| (3) Element Supervisor |
| Intermittent lower |
| Replace lower oven temperature sensor. If Control still |
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| Disable Lower Oven |
| sensor or 2nd |
| display Fr, replace 2nd power/relay board. If Fr is still |
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| power/relay board |
| displayed, replace the main power/relay board. |
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