Conord gas boiler malfunctions: common breakdowns and solutions

Amir Gumarov
Checked by a specialist: Amir Gumarov
Author: Karen molko
Last update: November 2024

The quality of heating of the whole house depends on the serviceability of the gas boiler, which is especially important in the cold season. Even the slightest breakdown can cause a panic attack on the owner of the equipment, since repairing it can be too expensive. Agree, it is far from always necessary to call a master, because you can independently understand the causes of a malfunction of the Conord gas boiler, and repair the equipment yourself.

Despite the already established tendency to always blame the manufacturer, often breakdowns of a gas boiler are completely unrelated to production features. Often they arise due to a malfunction in the equipment settings, unstable pressure or voltage in the network.

Further in the article we will tell you what kind of breakdowns of the Conord boiler are most often encountered, and how to independently restore its operation after another failure. In some cases, repairs may not be necessary, because to fix the problem you just need to set the correct settings.

Causes of gas equipment breakdown

Despite the high quality products of the domestic manufacturer Conord, such gas boilers can fail over time.

Not always the problem is the natural wear of parts, and, as a rule, this happens only after at least 5 years after the start of operation.

The internal structure of the boiler
One of the most common causes of gas boiler breakdowns is a sudden outage or a strong surge in electricity, as a result of which the device’s settings simply go wrong

If the equipment broke down almost immediately after installation, then this can occur as a result of an elementary failure in the settings or a voltage drop.

Often, malfunctions of gas boilers arise for the following reasons:

  1. Voltage drops in the network. Sudden power surges can lead to a short circuit, and, accordingly, to a fuse blowout, which will need to be replaced with a working part.In this case, it is recommended to purchase quality stabilizer, which allows you to no longer worry about power outages.
  2. Poor water. In work double-circuit boilersAlso responsible for heating water, malfunctions may occur. Heating of low-quality water renders the flow-through heat exchanger unusable, so the only way out in this situation is to install a complete system for water purification.
  3. Incorrect installation. The installation of gas heating equipment must be handled by a qualified specialist, since even the slightest mistake can lead to serious consequences. For example, improper piping of a cast-iron gas boiler can lead to the fact that at a low temperature its body will simply crack.

In addition, the weather equipment can interfere with the proper operation of gas equipment, because of which the boiler may become unusable.

Since in cold weather, many users turn on heating at full capacity, the pressure in the gas pipeline system decreases, which means that the boiler simply will not be able to deliver the promised heat.

Two boilers in the heating system
As an additional source of heating, you can install a solid fuel boiler on coal, which will not overload the gas boiler, and at the same time ensure a sufficient temperature inside the room

In the presence of a conventional Conord gas boiler (without heating hot water), it is recommended to install a good stabilizer, while it is better not to save on purchase. So, you do not have to change the fuse after each failure in the mains, and even more so, spend a lot of money on the purchase of a replacement for a burned-out pump.

Typical problems with Conord gas boilers

A gas boiler is a complex and potentially dangerous system, an unskilled intervention in which can provoke a large-scale explosion. All boiler systems associated with the supply and combustion of gas should only be serviced by qualified gas service specialists.

Despite this, there are several separate cases in which the user can independently repair the gas boiler. This applies to visible damage and all kinds of contaminants that disable the pipe, chimney and other parts of the boiler.

Burner does not light or goes out

The first thing that needs to be done after an unsuccessful attempt to light the Conord gas boiler is to check the draft, since often its absence becomes the main obstacle.

Bring a lit match to the viewing window and observe the direction of the flame. If it has deviated towards the window, then the thrust is all right, and at least one problem can be eliminated.

Checking the draft in the boiler
If the match flame burns evenly, then this can only mean one thing - there is no draft in the chimney, which is why the burner does not light up

To ensure the necessary traction, it is recommended to open the window to the boiler room. If even after this the draft does not appear, the remaining parts of the boiler should be checked for contamination. So, the presence of draft in the chimney indicates the contamination of the boiler itself, which will need to be disassembled and thoroughly cleaned. In case of contamination of the chimney, you will have to clean it yourself.

If, even with good traction, the boiler does not ignite, then a breakdown has occurred in one of the main systems of the device. For example, due to voltage fluctuations in the network, the operation of a fan driving air through the entire system may be lost. As already mentioned, the best option is to install a voltage regulator.

In addition, the boiler may not work due to a malfunction. traction sensor. If after the first ignition of the Conord gas boiler, the flame goes out, and the second attempt also fails, it is worth checking the sensor and shorting the terminals together. And only if this does not help, a traction sensor may need to be replaced.

The boiler smokes - what to do?

Such a malfunction can be observed both in wall and floor models. If soot begins to appear immediately after switching on the ignition unit, this means that the air in the fuel is not in sufficient concentration and must be adjusted.

Gas boiler burners
Often the reason for the appearance of soot is the combustion of dust in the air that has settled on the surface of the burner, which means that all air ducts must be cleaned with an ordinary brush

There is only one way to eliminate the problem of soot emissions - by adjusting the air on the burner. To do this, you need to find the adjustment washer, and adjust the air supply in the right direction without turning off the burner. It is the flame of the burner that will help you determine which direction the washer needs to be turned.

In the case of excess air, there is a noticeable hum and detachment of the flame from the burner, and if it is lacking, the red light will be “diluted” with yellow blotches. The normal ratio of air to gas is determined by an even blue flame without any impurities.

Burner flame off

If the flame is unstable when starting the gas boiler, and at the same time periodically breaks away from the nozzles, then the problem is most likely the thrust supply. Any changes in the flame dynamics cause the sensor to trigger, and, accordingly, the system shuts down. In this case, it is recommended to check the chimney for contamination, and if necessary clean it.

Also, the problem of flame separation may occur due to deformation of the nozzles, which could occur during the cleaning process. It is because of the deformation of the holes that the gas flows unevenly. To restore the operation of the nozzles, and to normalize the flame, it will be necessary to replace damaged parts.

Master fixes boiler breakdown
If noticeable pops are observed during ignition of the burner, this means only one thing - low pressure in the line, which can only be adjusted by a gas service worker

Flames may come off the burner due to elemental gas valve malfunctionspressure transducer or diode bridge. In this case, immediately after identifying the cause of the breakdown, it is necessary to purchase a new part and replace the broken element yourself.

The coolant does not heat up

If the gas boiler does not heat the water, then the first thing to do is check and adjust the settings. With the subsequent absence of changes in the operation of the boiler, it is necessary to check the heat exchanger for the presence of scale deposits on the walls of the channels. A thick coating layer significantly reduces the heat transfer of the device, while the amount of fuel consumed only increases.

There is no need to buy a new heat exchanger, because the accumulated scale can be removed using special reagents. In this case, a solution of citric acid is ideal, because unlike other means, it does not affect the metal structure of the heat exchanger, therefore, it does not damage the part. This solution is used to clean appliances made of copper, brass and stainless steel.

Read more about how to properly clean the gas boiler heat exchanger in this stuff.

Boiler heat exchanger fouling
Ideally, the concentration of citric acid solution should be equal to 1.5%, while to remove the most difficult contaminants, it is enough to heat the product to 60 ° C

Also, the problem may be the operation of temperature sensors that have failed due to a malfunction of the automation. Having determined the breakdown, you can repair the Conord gas boiler yourself and yourself.

To restore the entire system, it is enough to replace the broken parts. If the boiler does not heat water due to a blocked pump, then in this case, you can unlock it yourself by setting the necessary boiler settings.

The boiler is working loudly

Over time, gas equipment may experience noise and crackling caused by a large accumulation of salts on the walls of the radiator. For this reason, the water overheats and boils, so often the accompanying noise resembles the sound of a boiling kettle.

Loud noise coming from the Conord gas boiler can occur due to “migrating” scum pieces, which, when the water is heated, break off and beat against the walls of the device. Such a process can lead to clogging of the tubes, and therefore to obstruction of the water.

In order to avoid serious consequences, it is recommended to clean the heat exchanger in a timely manner, so as not to waste money on buying a new part.

Flushing the heat exchanger in a chemical solution
It is recommended to clean the heat exchanger in a timely manner, since eliminating a large accumulation of scale may require more aggressive chemicals that can disrupt the metal structure

During operation of the boiler, there may be a noticeable whistle emanating from the nozzles, which is due to the accumulation of air in the line. To eliminate the problem, it is enough to release excess air from the line, and the noise will stop.

Conclusions and useful video on the topic

You can find out why cotton occurs when you turn on the Conord boiler from the following video:

This video explains in detail why the wick of the Conord boiler does not light, and how to fix this problem yourself:

Like any other equipment, gas boilers can break from time to time, thereby depriving residents of the house of heat, which is so necessary in the cold season. To restore the gas boiler, it is enough to correctly determine the type of breakdown, after which you can make repairs yourself without resorting to the help of a master. The article revealed the most common malfunctions of Conord boilers, as well as ways to solve them - replacing broken parts and cleaning contaminated systems.

If you have already repaired the Conord gas boiler yourself, then please share your experience with our readers. Tell us what problem you had to face and whether the boiler was repaired without the help of specialists. You can leave your comment in a special field immediately after the article.

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