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Error code reference
Samsung Air Conditioner Error Code qx
Error of temperature sensor in the indoor unit OPEN/SHORT (x = indoor unit address 0-F).
SourceSamsung Cassette Air Conditioner - Service Manual (CH094EAM/UH094EAM)p. 26-27
Diagnostic procedure
The full qx 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
Check if room temperature sensor connector is departed from PCB; measure resistance across both terminals.
SourceSamsung AVMKH032CA1 - Service Manual: Troubleshooting & Diagnosticsp. 182, 214
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
6 manuals in the MyPros+ library document this code for Samsung air conditioner.
Models covered by the manuals that document this code
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