2025-11-20
In daily life and industrial production, combustible gas detectors are important safety devices primarily used to monitor indoor gas leaks. When the gas concentration exceeds safety standards, they emit audible and visual alarms to alert people to take timely action. However, many users are often confused when the red light on a combustible gas detector remains on, unsure how to handle the situation correctly. So, do you know how to resolve a combustible gas detector with a continuously lit red light? Below, Zetron Technology Electronics will explain:
There are several reasons why the red light on a combustible gas alarm might remain continuously illuminated. Under normal operating conditions, the red light will flash intermittently, indicating that it is continuously monitoring the smoke level in the environment. If the combustible gas alarm has just been installed or restarted, the red light remaining on for a few minutes is normal as it is performing a self-check. However, if the red light remains on beyond the self-check time, it could be due to the following:
Combustible gas alarms typically have three colored indicator lights: a green power light, a yellow fault light, and a red alarm light. Under normal conditions, the green power light should illuminate, the red alarm light should illuminate when a gas leak is detected, and the yellow fault light indicates a malfunction. Therefore, a persistently illuminated red light could indicate a gas leak or a malfunction in the equipment.
When the red light on your combustible gas detector remains on, follow these troubleshooting steps:
First, check for an actual gas leak. Use a gas detector or soapy water solution to check for leaks. If a leak is confirmed, immediately shut off the gas valve, open doors and windows for ventilation, and contact a professional for assistance.
Second, check the battery level. Low battery power can cause the combustible gas detector to malfunction; replace the battery in this case. Also, clean the sensor of dust and particles, as accumulated dust can affect its proper functioning.
Press and hold the reset button for a few seconds to see if the red light goes out. If the red light remains on after resetting, it may be an internal malfunction, and you will need to contact a professional repair technician.
In conclusion, we can see that a continuously lit red light on a combustible gas alarm is a signal that requires serious attention. It could be a warning of a gas leak or a sign of equipment malfunction. Most problems can be resolved through systematic inspection and maintenance. With the acceleration of urbanization and people's increasing focus on safety, combustible gas detectors have been widely used in homes and industries. Proper use and maintenance of these devices are crucial for protecting life and property.