First Alert CO400
First Alert CO400 Carbon Monoxide (CO) Detector User Manual
Model: CO400 | Brand: First Alert
Введение
The First Alert CO400 Carbon Monoxide (CO) Detector is designed to provide continuous monitoring of carbon monoxide levels in your home, offering early warning of this odorless, colorless, and poisonous gas. Equipped with an advanced electrochemical sensor, this battery-operated alarm ensures protection even during power outages. Its user-friendly design allows for versatile placement, including an optional wall mount.

Передний view of the First Alert CO400 Carbon Monoxide Detector, showing the test/silence button and First Alert logo.
Важная информация по безопасности
Carbon monoxide (CO) is a highly toxic gas that can be produced by any fuel-burning appliance. It is invisible, odorless, and tasteless, making it extremely dangerous. CO alarms are crucial for detecting this poisonous gas and providing early warning to protect your family.

Image illustrating the importance of CO detection for family safety.
Official Product Video: Carbon Monoxide Alarms
Это видео дает болееview of First Alert Carbon Monoxide Alarms, including their types, placement recommendations, and essential safety tips. It highlights the importance of early detection and regular testing to ensure home safety.
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Установка аккумулятора
The First Alert CO400 operates on a 9V replaceable battery. To install or replace the battery:
- Locate the easy-access battery door on the back of the unit.
- Откройте батарейный отсек.
- Вставьте новую 9-вольтовую батарейку, соблюдая полярность (+/-).
- Надежно закройте крышку батарейного отсека.

Задний view of the detector, highlighting the battery compartment and included 9V battery.
Размещение
The CO400 detector is battery-operated, offering flexibility in placement without needing an outlet. It can be placed on a tabletop or mounted on a wall.
- Рекомендуемое размещение: Install carbon monoxide alarms on every level of your home and in every bedroom.
- Avoid placing the detector in areas with high humidity, extreme temperatures, or near combustion sources.

The CO400 detector mounted on a wall, demonstrating its battery-operated flexibility.

Diagram illustrating recommended placement of CO alarms throughout a typical home.
Инструкция по эксплуатации
Нормальная работа
Once the battery is installed, the CO400 will begin monitoring carbon monoxide levels. It is designed to provide continuous protection.
Тестирование будильника
Regular testing ensures your alarm is functioning correctly. Use the Test/Silence button to perform a test:
- Нажмите и удерживайте Тест/Молчание button located on the front of the unit.
- The alarm should sound a loud 85-decibel horn, typically a sequence of 4 beeps, a pause, and then 4 beeps again.
- Отпустите кнопку. Сигнал тревоги должен прекратить звучать.
If the alarm does not sound during the test, ensure fresh batteries are correctly installed and test again. If it still does not alarm, replace the unit immediately.

Detail of the Test & Silence button on the CO400 detector.
What to Do if the Alarm Sounds
If your carbon monoxide alarm sounds, it indicates the presence of CO. Follow these critical steps:
- Leave Immediately: Move to fresh air outdoors or open doors/windows to ventilate the area.
- Call Emergency Services: Once in fresh air, call 911 or your local emergency number.
- Do not re-enter the premises until emergency responders have cleared the area and confirmed it is safe.
Обслуживание
Замена батареи
The CO400 is powered by a 9V battery. An audible and visual low battery signal will alert you when it's time to replace the battery. It is recommended to replace batteries every six months, even if the low battery signal has not yet activated.
Сигнал об окончании срока службы
The detector is equipped with an end-of-life signal chirp, which indicates when it's time to replace the entire unit. The permanent sensor lasts up to 5 years. For optimal safety, replace your alarm every 5 to 10 years, depending on the manufacturer's instructions and the specific model's lifespan.

Visual representation of the end-of-life warning, indicating when to replace the unit.
Уборка
To maintain optimal performance, gently vacuum the alarm cover once a month using the soft brush attachment of your vacuum cleaner. Do not paint the unit.
Поиск неисправностей
Understanding the different alarm signals can help you identify the issue quickly:
| Сигнал | Значение | Действие |
|---|---|---|
| 4 beeps and a pause | Обнаружен угарный газ | Evacuate immediately and call 911. |
| 1 beep every minute | Низкий заряд батареи | Заменить батарею 9 В. |
| 5 beeps every minute | Конец жизни | Replace the entire CO detector unit. |
Технические характеристики
- Бренд: Первое оповещение
- Модель: CO400
- Стиль: Питание от батареи
- Источник питания: Батарея 9 В (в комплекте)
- Цвет: Белый
- Размеры продукта: 1"Д x 5"Ш x 3"В
- Вес товара: 7.2 унции
- Тревога: Слышимый (85 дБ)
- Тип датчика: электрохимический
- Сертификация: UL2034
- Включенные компоненты: Alarm, Mounting Bracket, User Manual, 9V Battery

Dimensions of the First Alert CO400 Carbon Monoxide Detector.
Гарантия
The First Alert CO400 Carbon Monoxide Detector comes with a Ограниченная гарантия сроком на 5 года. Please refer to the included user manual for full warranty details and terms.
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For further assistance, technical support, or warranty claims, please contact First Alert customer service:
- Телефон: 1 (800) 323-9005
- Руководство пользователя (PDF): Скачать здесь
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