Home gas alarm false alarm common cause analysis and solutions

Household gas alarm is necessary to protect the family gas safety equipment, when the indoor gas reaches a certain concentration, the gas alarm will issue a sound and light alarm signal. However, sometimes the gas alarm will not occur in the environment of the gas leakage "false alarm" situation, causing users to panic.

So, why gas alarms will occur false alarms?

Household gas alarms occur false alarm reasons

Internal dirt

Gas alarms are not clean for a long time, the internal accumulation of dust and dirt will interfere with its normal work, resulting in false alarms, it is recommended that regular cleaning and maintenance of the alarm.

② Power problems

Gas alarms are powered by batteries or AC power. If the battery is low or the power supply is unstable, the alarm may not work properly and false alarms may occur.

③Environmental problems

Excessive fumes - When cooking without opening the hood, a large amount of fumes that can not be discharged in time will cause the gas alarm to false alarm. Therefore, you should pay attention to the ventilation of the place where you use gas, and open the hood in time when you use gas.

High temperature, steam - gas alarm if the installation location is too close to the stove, the alarm is susceptible to high temperature, high humidity interference, there will be a risk of false alarms.

Other suspicious gases - the alarm detects other combustible gases other than natural gas and LPG, and will likewise issue sound and light alarms, such as hydrogen produced when heating a self-heating hotpot, ethanol in alcohol or combustible gas components contained in pesticides; these combustible gases will likewise pose a threat to indoor safety, and the use of these gases should be controlled too! .

④Expiration of service life

The service life of residential alarms is 5 years, and the service life of commercial and industrial alarms is 3 years. Alarms that exceed their service life will not only give false alarms frequently, but also lose their normal detection and warning functions, and become useless.

How to determine whether the alarm is false alarm?

★ When the alarm issued a sound and light alarm signal, the user should immediately check for leaks, will be soapy water brushed in the gas hose, the connections and other places. If you find that there are bubbles appear to be a gas leak, you should immediately turn off the gas valve, open the window to ventilate.

★If no leaks are found, and no food or herbs with a heavy flavor are cooked, but the alarm continues to sound. This may be a problem with the alarm itself and you should contact the manufacturer for repair.

★If no leakage is found and it is confirmed that the alarm is caused by cooking or other factors, the user can continue to use gas by opening the window for ventilation. If the alarm is raised again, the gas company should be contacted and the gas leakage should be investigated by a professional.

★If you want to avoid false alarms from the gas alarm while cooking, you should keep ventilation while cooking and use a range hood at the same time.

How to prevent the instrument from false alarm?

Proper installation of home gas alarm

When detecting natural gas: natural gas is lighter than air and will escape upwards when leaking, the alarm should be installed at 30-60cm from the ceiling;

When detecting liquefied petroleum gas (LPG): LPG is heavier than air and will escape downward when leaking, the alarm should be installed at a distance of 30-60cm from the ground;

The alarm can be maximized by the correct installation position.

Installation in the following locations should be avoided: windy places such as passages; places with water mist or dripping water; places near stoves that are easily contaminated by fumes, vapors, etc. or high-temperature environments (e.g., right above the stoves); places covered by other objects (e.g., inside cabinets); and next to vibrating objects such as refrigerators and air-conditioners.

Often maintain the alarm

Under normal circumstances, the service life of the household gas alarm for about 5 years, the expiration should be replaced in a timely manner. During the period of use, avoid the alarm being blocked by oil or dust inlet holes, and clean it regularly with a dry towel or soft brush. Do not use cleaning agents for cleaning.

How to deal with gas leakage?

Immediately close the pipe valve in front of the gas meter;

Immediately open windows to circulate indoor air;

Prohibit the presence of open flames, switching on and off electrical appliances, etc;

Do not make telephone calls inside the place of gas leakage;

After evacuating to a safe place, call the gas company in time to arrange for professionals to come and deal with the situation.