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Error code reference

Viking Oven Error Code EE12

Engine thermistor failure: break of engine thermistor; judgment carried out when engine heater has been energized for 30 or more seconds.

SourceViking VCSO210SS - Service Manual: Combi Steam/Convection Ovenp. 15, 18

Viking codesViking oven codes
Diagnostic procedure

The full EE12 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Measure the engine thermistor resistance with the thermistor connector pulled out of the board; check if resistance is within appropriate range.

SourceViking VCSO210SS - Service Manual: Combi Steam/Convection Ovenp. 15, 18

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More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

2 manuals in the MyPros+ library document this code for Viking oven.

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