zozen boiler
Home Service FAQs FAQ of gas-fired(oil-fired) boilers What if boiler cannot be ignited in the operation when the pressure is normal?

What if boiler cannot be ignited in the operation when the pressure is normal?

01 Dec 2023

If a boiler cannot be ignited during operation when the pressure is normal and there is electricity, it suggests an issue with the ignition system or another component of the boiler. Here are some steps and considerations to diagnose and potentially resolve the problem:

  1. Check the Fuel Supply: Ensure that there is an adequate supply of fuel (gas, oil, or biomass, depending on the type of boiler). If the fuel supply is obstructed or empty, the boiler won't ignite.

  2. Inspect the Ignition System: The problem could be with the igniters or spark electrodes. They might be dirty, damaged, or improperly positioned. Check for any visible signs of wear or damage.

  3. Examine the Pilot Light (for Gas Boilers): If the pilot light has gone out, the boiler won't ignite. Follow the manufacturer's instructions to safely relight it.

  4. Thermostat Issues: Ensure the thermostat is set to an appropriate temperature. If it's set too low, the boiler may not ignite. Also, check if the thermostat is functioning correctly.

  5. Electrical Connections: Check for any loose or faulty electrical connections that might prevent ignition. However, do not touch any electrical components unless you are qualified to do so.

  6. Safety Lockout: Boilers have safety mechanisms that lockout the system under certain conditions (like repeated failed ignition attempts). This may require resetting the boiler according to the manufacturer's instructions.

  7. Air Supply and Ventilation: Insufficient air supply or poor ventilation can prevent ignition. Ensure that air vents or flues are not blocked.

  8. Control Board or Sensor Issues: Faulty control boards or malfunctioning sensors (like pressure or heat sensors) can prevent ignition.

  9. Professional Assistance: If you're unable to diagnose the issue, or if it involves gas or electrical components, it's best to call a qualified technician. Tampering with gas or electrical parts can be dangerous.

  10. Regular Maintenance: Regular maintenance by a professional can prevent such issues. They can identify and resolve minor issues before they become major problems.

Remember, safety is paramount. Do not attempt repairs that are beyond your skill level, especially with gas or electrical systems. When in doubt, always consult a professional.

Related FAQs View More
Related news View More
  • ZOZEN Boiler: Empowering High-Quality Development in the Building Materials Industry
    The continuous growth of the building materials industry places higher demands on thermal energy supply in production—stable steam output, efficient energy utilization, and emissions that meet environmental standards have become core criteria for selecting boiler equipment. Leveraging a deep understanding of industry-specific production needs, ZOZEN Boiler provides customized products and technical advantages to deliver reliable thermal energy support for building materials enterprises at ...
    21 Oct 2025
  • ZOZEN Boiler Breaks the High Humidity Biomass Combustion Challenge with Reciprocating Grate Biomass Steam Boiler
    ZOZEN Boiler Breaks the High Humidity Biomass Combustion Challenge with DZW Series Reciprocating Grate Biomass Steam Boiler Recently, Jinzhi Morning Hong Paper Co., Ltd. (hereinafter referred to as "Morning Hong Paper") reached an important cooperation with ZOZEN Boiler, successfully introducing the DZW series reciprocating grate biomass steam boiler. This brings new impetus for efficient and green production to the company. As a leading paper product manufacturer in North China, Morning Hong P...
    14 Oct 2025
  • ZOZEN Boiler to Showcase at Heatpower Expo 2025 in Moscow, Russia
    From October 21 to 23, the Heatpower Expo, Russia’s premier industrial boiler and heat exchange exhibition, will be held at the Crocus International Expo Center. As a benchmark event in the industrial boiler and heat exchange equipment sector in Russia, the expo serves as both a window into industry trends and a high-energy platform for fostering practical cooperation. ZOZEN Boiler’s Russian-speaking sales team will participate with its core boiler solutions, demonstrating clean, eff...
    07 Oct 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity