Hello Friends, Through this video i will explain you the procedure of resolving ERR-4 (Error 4) by repairing Blood Pressure monitor or BP measuring machine/device. Please feel free to reach out to me through comments in case you need any assistance. Thanks for watching, kindly like and subscribe my channel.
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How to repair Blood Pressure Monitor? BP Machine Error 4 |SCure|, No air replace air pump of BP moni
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