Regular cleaning and routine maintenance should keep your Marvin windows and doors operating smoothly. But if a problem should arise, the trouble shooting techniques found in this section can help you diagnose common problems and make minor adjustments to your windows or doors. Please read the instructions carefully and make sure you have all the necessary tools and parts before beginning work.

If you experience a problem with your windows or doors that is not mentioned, or if the proposed solution does not seem appropriate, please contact your local Marvin retailer for assistance or service and replacement parts.