Samsung Air Conditioner Error Code P404
Low pressure switch detection-operation stop when low pressure is lower than 1.2 kg/cm²G (sensor open); system down on 2nd detection.
SourceSamsung Air Conditioner - Service Manual: Troubleshooting (AVMC4H071EA)p. 12-11
The full P404 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.
SourceSamsung Air Conditioner - Service Manual: Troubleshooting (AVMC4H071EA)p. 12-11
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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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