Samsung Air Conditioner Error Code E204
Communication error between outdoor units and MCU after completing initial tracking; inconsistency between number of setup MCUs and unit number setup switches.
SourceSamsung Air Conditioner - Service Manual: PCB Setup & Troubleshooting (AVXDSH036EE)p. 4-24, 4-53
The full E204 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: PCB Setup & Troubleshooting (AVXDSH036EE)p. 4-24, 4-53
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Where this code is documented
4 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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