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Condition
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Possible causes of defect
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Recommendations to elimination
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Lanterns of stoplights are not lighted
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Has burnt down a safety lock STOP/HORN
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Replace a safety lock, to check up on short circuit
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The lamp has burnt down
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Replace a lamp
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Malfunction of the switch of a stoplight
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Adjust or replace the switch
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Malfunction of conducting or grounding
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Repair
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Lanterns of stoplights do not die away
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Malfunction of the switch of a stoplight
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Adjust or replace the switch
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One stoplight does not burn only
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The lamp has burnt down
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Replace a lamp
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Malfunction of conducting or grounding
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Repair
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