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7-6-14-proverka-upravlyayushhego-pereklyuchatelya-osveshheniya-na-paneli-priborov.html
7.6.14. Check of operating lighting switch on the dashboardMeasure tension on all conclusions (except a conclusion of D).
If tension differs from specified in table 7.8, check specified in the column <the checked elements> elements and the corresponding plaits of wires. Disconnect the socket of operating lighting switch on the dashboard.
Make sure that integrity of a chain on a conclusion of D corresponds specified in the table of tension on conclusions. If tension differs from specified in table 7.8, check specified in the column <the checked elements> elements and the corresponding plaits of wires.
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Fig. 7.98. The diagnostic socket of the managing director of the switch of lighting on the dashboard
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If the system does not work properly even on condition of serviceability of elements or corresponding plaits of wires, replace the operating lighting switch with dashboards.
Check of conclusions of H.
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Fig. 7.99. The scheme of check of operating lighting switch on the dashboard
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Check a signal form on conclusions of operating lighting switch to dashboards H by means of a tester (fig. 7.99). Turn light switch in position of TNS or ON.
Make sure that resistance smoothly changes at transformation of operating lighting switch on the dashboard from the provision of the maximum brightness to the provision of the minimum brightness.
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