How To Remove Battery From Hard Wired Smoke Detector. To replace the battery in your hard-wired smoke detector follow these steps. If your alarm is hardwired turn off power.
Reset the Smoke Detector. How To Remove A Hardwired Smoke Detector From A High Ceiling. Disconnect the AC power harness by squeezing the locking arms on the sides of the quick connector while pulling the connector away from the bottom of the alarm.
This will reveal the chamber where the battery is housed.
Replace the detector with another powered by the house power. Remove the alarm from the trim ring by rotating the alarm counter-clockwise in the direction of the OFF arrow on the cover. Always exercise safety first and have someone hold the ladder for you while you were trying to remove the smoke detector. Hard-wired smoke alarms if code-compliant are on circuits that are expected to see regular and frequent use.
