How do I fix F21 error code on Maytag refrigerator?

The F21 error code on a Maytag refrigerator typically indicates a drainage issue. Here are a few troubleshooting steps you can try to fix this issue:

1. Check the drain hose to make sure it is not clogged or kinked. If it is, clear the blockage and straighten out the hose.
2. Make sure the drain pan under the refrigerator is not full of water. If it is, empty it and clean it out.
3. Check the drain pump to make sure it is not clogged or damaged. If it is, it will need to be replaced.
4. Check the control board for any damage or burn marks, if there is any issues with the control board it will need to be replaced.
5. If none of the above steps fix the issue, it's likely that the drain hose, the drain pan, the drain pump, or the control board needs to be replaced. It's best to contact a certified technician for this repair as it requires special tools and knowledge.

Maytag refrigerator

Please note that troubleshooting and repair of appliances should be done by a professional with the appropriate tools and knowledge. If you are not familiar with the inner workings of appliances, you should contact a professional technician to avoid further damage or injury.