Samsung RF4287HARS Service manual

To troubleshoot if the fan in your Samsung RF4287HARS refrigerator is not operating, you can try the following steps:

1. Check if the fan blades are obstructed by any food items or debris. If so, remove them and see if the fan starts working.
2. Make sure the temperature settings are correct. If the temperature is set too high, the fan may not turn on.
3. Check if the fan motor is getting power. You can use a multimeter to test the voltage at the fan motor.
4. If none of the above steps work, it may be a problem with the fan motor itself and it may need to be replaced.

If you are not comfortable performing these steps, it is recommended to contact a professional technician for assistance.

Source: Samsung RF4287HARS Service manual - Page 79

To troubleshoot if the ice maker in your Samsung RF4287HARS refrigerator is not operating, you can try the following steps:

1. Check the water supply line to make sure it is not kinked or blocked.
2. Make sure the water filter is not clogged and needs to be replaced.
3. Check the ice maker's power switch to make sure it is turned on.
4. Check the ice maker's fill tube to make sure it is not frozen.
5. If none of these steps work, you may need to contact a professional for further assistance.

I hope this helps!

Source: Samsung RF4287HARS Service manual - Page 82

To troubleshoot if the defrost function in your Samsung RF4287HARS refrigerator is not operating, you can try the following steps:

1. Check if the defrost heater is working properly. You can do this by using a multimeter to test the continuity of the heater.

2. Check if the defrost thermostat is working properly. You can do this by testing the continuity of the thermostat with a multimeter.

3. Check if the defrost timer is working properly. You can do this by manually advancing the timer and checking if the defrost cycle starts.

4. Check if the defrost control board is working properly. You can do this by testing the voltage at the control board.

If none of these steps solve the issue, it may be best to contact a professional for further assistance.

Source: Samsung RF4287HARS Service manual - Page 83

To troubleshoot if the compressor in your Samsung RF4287HARS refrigerator is not operating, you can try the following steps:

1. Check if the refrigerator is properly plugged in and the circuit breaker is not tripped.
2. Make sure the temperature settings are correct and the doors are properly closed.
3. Clean the condenser coils to ensure proper airflow.
4. Check if the compressor is making any unusual noises or vibrations.
5. If none of the above steps work, it may be a problem with the compressor itself and you may need to contact a professional for repair or replacement.

I hope this helps!

Source: Samsung RF4287HARS Service manual - Page 56