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Sr

Error Sr (Code 34) - System relay failure

Samsung · Washing Machines

What does Sr mean?

The main control board (PCB) has detected a failure with a critical system relay, meaning it's not operating as expected.

Common Causes

  • Faulty system relay on the main control board
  • Main control board (PCB) malfunction
  • Temporary electrical glitch

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the washing machine and unplug it from the power outlet for at least 5 minutes.

  2. 2

    Plug the washer back in and attempt to start a new cycle.

  3. 3

    Ensure the power outlet is working correctly by testing it with another appliance.

Browse all codes in this manual (95)
Verified technical data. Last updated: April 2026

Related Faults

1Diagnostic Code 1 - Water level does not drop11Error 11 (FAiL) - EEPROM fault, program settings reset1C1C — Water Level sensor is not working properly.
Source: Samsung Washing Machines
Open Manual (Page 24)Search more codes in this manual