ELEVATOR SYSTEM
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United States of America Patent
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Issued Date -
Apr 14, 2016
app pub date -
May 27, 2014
filing date -
May 28, 2013
priority date (Note) -
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Abstract
A method for checking a monitoring system in an elevator installation includes at least one of the steps: a) checking whether the traction carriers are connected to the monitoring device; b) checking whether the suspension devices are connected to the monitoring device; c) checking whether an electrical resistance of a traction carrier is within a range; d) checking whether a difference of an electrical resistance of a traction carrier from an electrical resistance of a traction carrier of the same suspension device is below a threshold value; and e) checking whether a difference of an electrical resistance of a traction carrier from an electrical resistance of a traction carrier of a different suspension device is below a threshold value; wherein the method is carried out before the elevator installation is commissioned after being installed.
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