A When an exit device is not functioning properly, the problem usually can be traced to one of the following factors:
• Poor fitting or alignment of door and frame
• Wrong lock or case
• Door prepared incorrectly
• Frame and/or door reinforcement incorrect
• Improper cylinder or installation
• Not mounted level
• Latch case not aligned
• Vertical rods not aligned
• Fasteners of wrong length
• Fasteners too loose or tight
• Operating trim not installed properly or binding