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Hr

Error Hr (Code 36) - Heater relay failure

Samsung · Washing Machines

What does Hr mean?

The washing machine's control system has detected that the heater relay is not functioning correctly or not sending the expected signal, which affects heating functions.

Common Causes

  • Faulty heater relay on the main control board
  • Main control board (PCB) malfunction
  • Issue with power supply to the heater

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the washing machine and unplug it from the power supply for a few minutes.

  2. 2

    Plug the washer back in and try running a cycle that uses the heater (e.g., a hot water wash).

  3. 3

    Check if there was any recent power surge or interruption that might have affected the electronics.

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