Operating Guide
PRODUCT GUIDE
Wood Patio Doors (JPG012)
17
STRAIGHT SIDE JAMBS
Place level against 
inside of side jamb. 
Look for gaps anywhere 
between level and side 
jamb. Repeat steps for 
other side jamb.
FRAME/PANEL BOW
Inspect interior and 
exterior frame jambs, 
or stiles/rails of panel 
(not glass) to determine 
if bowed.
1. Cut piece of string 
slightly longer than 
height of frame or 
panel.
2. Pull tightly and 
stretch string to 
upper and lower 
corners of jambs, 
or, stiles or rails of 
panel. Tape securely.
3. Look for gap between string and frame or panel. If gap measures 
more than 1/16" at any point, the panel is bowed.
String
Gap
Frame/
Panel
Note! Please check each possible cause, including verifying proper installation, before contacting us for assistance.
PROBLEM POSSIBLE CAUSES POSSIBLE SOLUTIONS
Panel will not 
open
Sill track dirty Clean sill track then lubricate with silicone spray on cloth. Clean and lubricate 
hinge track.
Panel locked Make sure lock latch is in unlocked position, try again.
Obstructions Remove obstructions/shipping blocks
Panel damaged Repair or replace panel
Lock damaged or broken Replace lock
Keeper loose or damaged Tighten if loose. Replace if damaged.
Weatherstrip loose or damaged Reattach If loose, replace if damaged.
Panel may need adjustment (panel drags on sill 
or does not t square or ush in the frame
Adjust rollers
Improper installation Inspect installation
Panel will not 
close
Sill track dirty Clean sill track then lubricate with silicone spray on cloth. Clean and lubricate 
hinge track.
Panel locked Make sure lock latch is in unlocked position. Try again.
Obstructions Remove obstructions/debris/shipping blocks.
Keeper loose or damaged Tighten if loose. Replace if damaged.
Lock strikes misaligned • Realign
• Make shoot bolt lock strikes ush to sill (French doors)
• Reverse lock latch (hinged doors)
• Make sure screws holding the lock bar in place are not over tightened or too 
loose (hinged doors)
Weatherstrip loose or damaged Reattach If loose, replace if damaged.
Panels do not line up at check (meeting) rails/
stiles
Adjust rollers
Frame bowed Inspect Installation
Improper installation Inspect installation
PROPER PATIO DOOR INSTALLATION - CONTINUED
TROUBLESHOOTING OPERATIONAL PROBLEMS










