Why is there moisture on the outside of my Insignia NS-RTM21SS7?
- DDanielle FrySep 13, 2025
Moisture forming on the external walls of your Insignia Refrigerator suggests that the door may be slightly open. Ensure that the door closes completely.

Why is there moisture on the outside of my Insignia NS-RTM21SS7?
Moisture forming on the external walls of your Insignia Refrigerator suggests that the door may be slightly open. Ensure that the door closes completely.
| Brand | Insignia |
|---|---|
| Model | NS-RTM21SS7 |
| Type | Top Freezer Refrigerator |
| Total Capacity | 21 cu. ft. |
| Color | Stainless Steel |
| Energy Star Certified | Yes |
| Defrost Type | Frost-Free |
| Number of Shelves | 3 |
| Number of Door Bins | 4 |
| Ice Maker | No |
| Reversible Door | Yes |
| Warranty | 1 Year |
Details on proper electrical grounding for safe operation of the appliance.
Lists all items included in the refrigerator packaging.
Identifies and labels the key parts of the refrigerator.
Initial steps before powering on the appliance, like unpacking and cleaning.
Guidance on selecting an optimal and safe place for the refrigerator.
Instructions on how to ensure the refrigerator is stable and level.
Details on necessary airflow around the refrigerator for efficient operation.
Information on the required electrical voltage and frequency for the appliance.
How to adjust the cooling temperature settings for the refrigerator and freezer.
Guidance to identify the correct procedure based on refrigerator model version.
List of tools and preliminary steps required before reversing the door.
Step-by-step instructions for reversing the door using Method A.
Step-by-step instructions for reversing the door using Method B.
Lists error codes displayed on the control panel and their meanings.











