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15-5-poisk-neispravnostejj-ventilyatora.html
15.5. Search of malfunctions of the fan
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If the fan does not work at any position of switching at once check up a corresponding safety lock in the block of safety locks.
If the safety lock is perfectly in order, check up the fan switch. For this purpose dismantle, as it is described above, the management block.
Check up, whether pressure is enclosed to conclusions of a multicontact socket. If it is absent, check up going from the block of safety locks conducting.
At a following stage check up the switch at all positions «on passableness». For this purpose connect a multimeter.
It is better to replace the defective switch. As shows experiment, repair does not increase duration of its operation.
If the switch is perfectly in order, check up connection to weight at the fan engine.
If defect the fan engine is faulty (have burnt down coal brushes, the anchor winding is melted off) here again is not revealed.
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