Robertshaw 90-RT621 Universal Refrigerator Defrost Timer, 6h 21min

Robertshaw Universal 90-RT621 Refrigerator Defrost Timer. This timer will activate for 21 minutes every 6 hours. This timer uses 125 volts. The defrost timer manages the automatic defrost system in the freezer.

Possible Repair Solution For:
Frost buildup, Fridge section is too warm, Fridge section is too cold, Freezer section is too warm, Freezer section is too cold, Fridge is running for too long, Freezer is not defrosting, Leaking water.

Please Note: This is intended as a guideline only, as other items can cause the same symptoms.