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Error code reference
Samsung Air Conditioner Error Code E272
Suction3 temperature sensor is detached from the sensor holder on the pipe.
SourceSamsung DVM S2 Air Conditioner Outdoor Unit - Service Manual (AM072-AM240HCV)p. 83
Diagnostic procedure
The full E272 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 sensor voltage: short error if <0.5V (or <0.4V), open error if >4.2V.
SourceSamsung Air Conditioner - Service Manual: Troubleshooting (AVMC4H071EA)p. 12-22, 12-69
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 Samsung air conditioner.
Models covered by the manuals that document this code
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