Frigidaire refrigerator Error Code 1S

What does 1S mean?

Ice maker thermistor failed.

Common causes

• Failed ice maker thermistor
• Loose connector

Diagnostic & testing steps

1. 1. Locate ice maker harness
2. 2. Test thermistor
3. 3. Replace ice maker module

Tools required

• Multimeter

OEM parts & part numbers

Ice Maker Module

Part numbers: 241798231