The red LED will flash once every 40 seconds under hush mode. However, the warning signal will resound after 10 hours if the detector is not being attended to. Do Not Disturb (Hush): When the detector is in a fault or low battery mode, pressing the test button will temporarily silence this warning tone for 10 hours.If the smoke in the chamber is still present, the alarm will resound upon expiry of the silence mode. If there’s a real fire, the detector will not be able to warn you. This should not be ignored as it could lead to disastrous consequences as some smoke detectors do not have a backup battery. Under this condition, the red LED will flash once every 8 seconds. The batteries need to be replaced One of the top reasons for the smoke detector blinking red is dangerously low battery levels. Silence: To silence the detector when it is in an alarm condition, pressing the test button will pause the alarm for approximately 10 minutes.
Buzzer Failure Fault: In the event of Buzzer failure, the red LED will have TWO flashes every 40 seconds.Under this condition, the LED indication will NOT blink. Sensor Chamber Fault: If the smoke detection chamber function weakens to below set threshold, a chirp signaling a fault will be emitted. SITERWELL Smoke Alarm Related products Kobishi EMB-6 Explosion-Proof Bell Apollo Photoelectric Smoke Detector Series 65A Flashing LED Fenwal Heat Detector.Low Battery: When the battery voltage is below the set threshold, an intermittent chirp will be emitted and the red LED will flash ONCE every 40 seconds.Self-Test Function: It comes with self-testing function that can replace the manual weekly test.(Owners are recommended to test manually at least once a year).This alarm will persist until the smoke within the chamber is cleared or when the alarm is manually acknowledged. Alarm: When the smoke detector detects particles of combustion and the concentration of smoke reaches the alarm threshold, the red LED will flash once per second with a pulsating alarm.Standby: In the operating mode, the red LED will flash once every 40 seconds.
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