Error Code 76

Auto-fill water tank has detected an overflow

Moderate

Address soon - your appliance may not work properly

Also displayed as: Error 76

What This Means

Water tank overfilled; Auto fill valve not closing properly; Water level sensor fault; Wiring issue at CN32-3 to CN32-6

What actually causes this:

The auto water fill system has overfilled the tank, possibly due to a stuck open fill valve or faulty sensor.

First Thing to Check

Check the auto-fill water tank for excess water and empty it if needed.

Parts Involved

Auto fill DC valveWater level sensorMain PCB CN32 connector

How to Fix

  1. 1

    Check voltage at MAIN PCB CN32-3 to CN32-6: 0V to 4.5V indicates water overflow detected; 4.5V to 5V indicates no problem

  2. 2

    Inspect auto fill valve for proper operation

  3. 3

    Inspect water level sensor

Need more help with your Samsung RF23M8570SG?