Pull one of the sash cords until the sash weight hits the pulley then lower the weight about 3 inches.
Sash window weights stuck.
Windows old enough to have sash weights have probably seen a variety of painters of various skill.
Prying off the window trim may or may not give you access to the weights but you won t know.
Pry the old sash cords from the sides of the window sash.
Your sash windows have been freshly decorated and there is no longer room in the frame to travel lower down if you ve pulled the window forcefully it s now stuck firm.
Replace the access doors to conceal the sash weights.
Access the window sash cords.
Set the sash partially into the window opening.
How to replace window sash weights accessing the weights.
Tie the sash weights onto the new cords and drop them back inside the wall.
Feed a new length of sash cord over the pulley on each side jamb and down into the wall cavity.