Error code
E-22
Meaning
Oven sensor circuit short condition
Critical
What to do
Why this happens
Possible causes include an oven sensor short circuit, damaged sensor wiring, moisture in the sensor connector, or issues with the main PCB connector CN201 and sub PCB connector CN02.
How to fix it
If connectors are secure, measure sensor resistance - if under 900 ohms, replace oven sensor
SourceSamsung service manual