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Dacor Oven Error Codes
72 error codes for Dacor oven models. Each links to the full diagnostic procedure from the service manual.
CodeDescription
C01Touch panel shorted keyC02Touch panel cancel redundancy failureC23Control board ambient temperature is above 80°C; oven shuts down and cooling…C24Control board open thermistor detected (ambient temperature probe open).C25Control board shorted thermistor detected (ambient temperature probe shorted).C33Relay board ambient temperature is above 80°C; oven shuts down and cooling fans…C34Relay board open thermistor detected (ambient temperature probe open).C35Relay board shorted thermistor detected (ambient temperature probe shorted).C41A/D reference readings safety check failure to ensure RTD oven temperatures are…C42E2 checksum failure on control boardC43Wire connection error at control and/or relay boardC44FLASH checksum failure on control boardC72TWI communication errorC73Comm errorC74E2 checksum failure on logic board.C75Redundant strobes on logic board are not the sameC76Incorrect oven type (single/double) configuration sensed; displays error after…C77Config errorC78Light errorC90Power lossMyPros+ Max
Get the full diagnostic procedure for any Dacor oven error code.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts
- Verified part numbers when replacement is required
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L20Lower oven over temperatureL21Lower oven clean over temperatureL22Lower oven over temperatureL23Lower oven ambient over temperatureL24Lower oven ambient temperature probe openL25Lower oven ambient temperature probe shortedL30Lower oven temp sensor open probe 1L31Lower oven temp sensor shorted probe 1L32Lower oven temp sensor open probe 2L33Lower oven temp sensor shorted probe 2L34Lower oven temp sensor open probe 3L35Lower oven temp sensor shorted probe 3L40Lower relay board wiggler failureL41Lower relay board A/D errorL42Lower relay board E2 checksum failure.L43Lower relay board no zero crossing (ZC) detected on relay board.L50Lower latch/door failureL51Lower oven latch phase failureL52Lower latch/door redundant switch failureL53Lower latch/door switch latching failureL54Lower latch/door lock enable failureL55Lower latch motor failureL60Lower cooling fan failureL61Lower cooling fan failureL70Lower comm errorL80Lower meat probe shortedU20Upper oven over temperatureU21Upper/single oven clean over temperatureU22Upper/single oven over temperatureU23Upper/single oven ambient over temperatureU24Upper/single oven ambient temperature probe openU25Upper/single oven ambient temperature probe shortedU30Upper/single oven temp sensor open probe 1U31Upper/single oven temp sensor shorted probe 1U32Upper/single oven temp sensor open probe 2U33Upper/single oven temp sensor shorted probe 2U34Upper/single oven temp sensor open probe 3U35Upper/single oven temp sensor shorted probe 3U40Upper/single relay board wiggler failureU41Upper/single relay board A/D errorU42Upper/single relay board E2 checksum failure.U43Upper/single relay board no zero crossing (ZC) detected on relay board.U50Upper/single latch/door failureU51Upper oven latch phase failureU52Upper/single latch/door redundant switch failureU53Upper/single latch/door switch latching failureU54Upper/single latch/door lock enable failureU55Upper/single latch motor failureU60Upper/single cooling fan failureU61Upper/single cooling fan failureU70Upper/single comm errorU80Upper/single meat probe shorted