How are my alarms still managing to chirp even though I have removed them from the ceiling to disconnect them from the mains and removed the batteries?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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1 Answers
Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Press the test button and problem solved. There was probably some power left in the device.
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Answered