Cause of defect	Way of elimination
The door leaves directing contact to average
It is broken or погнута an axis of directing rollers and one of rollers is lost	To replace the mechanism of average directing
The door is badly closed in extreme position
Jamming of directing rollers in the average directing	To replace the average directing
Non-uniform backlashes between боковиной bodies and a door
Adjustment of installation of a door is incorrectly executed	To execute necessary adjustments
The forward end face of a lateral door does not adjoin to боковине
The clamp thorn is broken	To replace type of a clamp and to adjust its position