При активном использовании люминесцентных ламп могут, периодически, появляться различные неисправности. Обычно, они появляются в схеме стартера и дросселя. Если лампа в схеме не горит, нужно, в срочном порядке, проверить электросеть на исправность. Кроме того, нужно хорошенько все проверить.

При исправности электросети и всех элементов схемы включенная лампа все же может не зажигаться, если температура окружающей среды меньше +10° С и если колебание напряжения питающей сети превосходит 6—7%. Зажигание лампы происходит обычно не сразу, а после нескольких срабатываний стартера. Полная длительность зажигания не должна превосходить 15 с. Если в течение этого времени лампа не загорится, то возможны неисправности, которые могут быть как в самой лампе, так и в отдельных элементах схемы включения.

Причинами могут быть cheap nfl jerseys неисправности:

а) в электросети — наличие обрыва или плохого контакта;

б) стартера — не замыкает цепь накала электродов лампы;

в) дросселя — обрыв в обмотке дросселя;

г) патронов — отсутствие контактов;

д) лампы — обрыв электродов лампы.

Проверка и устранение указанных неисправностей производятся в следующем порядке:

а) проверить наличие напряжения на контактах патронов лампы и стартера;

б) заменить лампу. Если новая лампа зажигается, то замененная лампа была неисправной.

При включении лампы свечение люминофора, обуславливаемое возникновением вспомогательного разряда, имеется только в одном конце лампы. Лампа мигает, но не зажигается. Причинами этой неисправности могут быть замыкания в проводке, в патроне, в выходах лампы, где свечение люминофора отсутствует.

Устранение неисправности проводится в следующем порядке:

а) лампу переставить так, чтобы неисправный и нормально светящиеся концы ее поменялись местами. Если при такой перестановке свечение будет отсутствовать, данная лампа является дефектной и должна быть заменена новой;

б) если при замене лампы нет свечения, необходимо проверить схему включения и патрон лампы, устранить их замыкания, в случае необходимости патрон сменить.

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