How do I fix error code F-1-ù on a Samsung refrigerators?

1. undefined: 1. Measure resistance of F-DEF heater (66/240 ohm ±10%) 2. undefined: 2. Check bimetal thermostat OFF: 140°F(60°C) / ON: 104°F(40°C) 3. undefined: 3. Run manual defrost and time the operation 4. undefined: 4. Verify defrost completes within 70 minutes 5. undefined: 5. Check that system returns to cooling after defrost

Samsung Refrigerators2009–present

Error Code F-1-ù

Q: What does error code F-1-ù mean on a Samsung refrigerators?

Freezer defrost heater is not working or stuck on Heater winding open or short circuit; Bimetal thermostat failure; Temperature fuse error; Defrost heating continuous for >70 minutes without completion; Defrost heater housing separation

Freezer defrost heater is not working or stuck on

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: F-1-ù

What This Means

Heater winding open or short circuit; Bimetal thermostat failure; Temperature fuse error; Defrost heating continuous for >70 minutes without completion; Defrost heater housing separation

What actually causes this:

Heater filament burned out or thermostat failed

First Thing to Check

Feel if compressor area gets hot during manual defrost

Parts Involved

F-DEF Heater Assembly (AC 120V 240W)Bimetal Thermostat Protector (AC 125V 6A)

How to Fix

1
1. Measure resistance of F-DEF heater (66/240 ohm ±10%)
2
2. Check bimetal thermostat OFF: 140°F(60°C) / ON: 104°F(40°C)
3
3. Run manual defrost and time the operation
4
4. Verify defrost completes within 70 minutes
5
5. Check that system returns to cooling after defrost

This Error Applies To

Samsung RF195AC Series Refrigerators (2009) (2009–present)

Service manual exact match: RF195ACService manual exact match: RF20HFENBService manual exact match: RF197ACService manual exact match: RF18HFENBService manual exact match: RF215ACService manual exact match: RF217AC