16.31. Description and check of work of system of the central blocking of doors
The central system of blocking of doors puts in action drives of blocking of the doors, established on each door. The system consists of switches, drives and conducting. Diagnostics is limited to simple check of contacts of conducting and drives on existence of insignificant damages which can be easily eliminated. Such checks treat:
- Check of safety locks of system and/or the chain breaker (where it is available).
- Check of wires of switches about damage of wires and weakening of contacts. Check of switches on conductivity.
- Remove the panel (panels) of a covering of a door and check contacts of conducting of a drive on easing or existence of damages. Examine drive rods to make sure that they not погнуты and are not damaged. The drive can be checked, having quickly connected a food from the battery. Strong click will specify that the electromagnetic valve works normally.