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 Biomass Boiler Revitalizes the Plastic Foam Industry
    As global attention toward sustainable development intensifies, green and eco-friendly practices have become the main theme across all industries. For traditionally high-energy, high-emission sectors, technological innovation is essential to achieve clean production and unlock new growth. The plastic foam industry, a vital part of industrial manufacturing, has long faced the dual challenges of high energy consumption and environmental pressures. The emergence of biomass boilers offers a new gree...
    17 Jun 2025
  • ZOZEN Boiler Supports Poultry Farms in Kyrgyzstan
    With the ongoing advancement of the “Belt and Road” Initiative, economic and trade cooperation between China and Kyrgyzstan has become increasingly close. In February 2025, the two countries announced the launch of negotiations on a service trade and investment agreement, injecting new momentum into their bilateral collaboration. Against this backdrop, Chinese industrial equipment is making its way into Kyrgyzstan, helping local businesses grow—ZOZEN Boiler stands out as an exe...
    10 Jun 2025
  • ZOZEN Boiler Showcases Multi-Dimensional Energy Solutions at Serbia’s TOPS 2025 Scientific Symposium
    From June 2 to June 3, 2025, the TOPS 2025 Scientific Symposium, hosted by the Serbian Heating Association, was held in grand fashion. As one of the most influential events in the European heating industry, it attracted leading international brands such as Weishaupt, Bosch, and KSB, with a collective focus on cutting-edge technologies in gas and biomass boilers. In light of rising energy costs, biomass boilers, with their outstanding cost-saving potential, became a hot topic of discussion. As th...
    11 Jun 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity