Question about Kidde i12040 Hardwire Smoke Alarm with Hush Feature and Battery Backup
SInce it had identified havve the battery replaced to see if the fault clears up , if not measure the battery voltage to the unit, can be that the sensor circuit is defective or might have a drop of voltage due to changes in a zener diode shorting.
Posted on Sep 29, 2010
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Posted on Jan 02, 2017
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