Question about Schiller Welch Allyn Cardiovit At 2 Interpretive Ekg Machine
There are two supply systems are in your machines. One is for charging the battery, and other is for bypass AC power converted to Dc ; when AC power is present. That is when AC power is present, your machine will work on that power, and charge the battery simoultaneously. When AC power is inturupted, it will automaticaly change over to battery power. But the power consumtion of your machine is high. Therefore battery power will get downed soon. Battery is placed inside the machne only for urgent power faulure use. Not for continous use. Both the power supplies are SMPS [Switched Mode Power Supply] types. We can't prophet the reason for its failure. We are repairing such machens here. Now your machines battery charging circuit is ok. AC power bypass is faulty.
Posted on Oct 14, 2010
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Posted on Jan 02, 2017
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