Check the door lock and seal against model instructions

Latch-point count alone does not prove sealing. Check model hardware, seal contact and closure.

24 January 2026Updated 23 September 2026

Short answer

Verify lock type and adjustment in the exact model's instructions; do not assume every door has four points. Inspect the door, hinges, catches and seal for damage. Check closure using the maker's method and record findings. If the handle binds or the seal fails to contact evenly, report it for service rather than forcing adjustment.

Door-lock operation varies by model. The number of lock points alone does not prove door pressure or sealing.

Verify the hardware

Identify model and option codes; check the maker's drawing for latch, strike and adjustment points. Do not assume another model uses the same mechanism.

Observe closure

Inspect door alignment, hinge play, catch movement and seal contact using the instructed method. Use a paper test only if the manufacturer recommends it.

Record the finding

Add the location of any closure gap, change in handle effort, seal damage and a photo to the maintenance record. Do not compensate for a damaged seal by overtightening.