Has the Immergas boiler failed? Operation is blocked and errors are shown on the display? Don't worry, this is how the security system reports a problem. What to do? Look at the instructions and find out the code designation. If the instructions are lost or you do not understand the technical language, then refer to our publication. We have clearly described the errors of Immergaz boilers.
Features of Immergaz boilers
The main distinguishing feature of the Immergas Eolo Star and Immergas Nike Star gas boilers is the following:
- Possibility of working at low pressure in the gas line up to 3 Mbar.
- Equipped with an automatic diagnostic system with results displayed on the display.
- Equipped with electric ignition.
- Affordable column price.
- It is possible to connect a room thermostat.
- Equipped with an anti-freeze control system that prevents the heating circuit from freezing. If a temperature of 4 degrees is recorded in the system, a signal is given and the burner automatically starts. After which a constant temperature in the circuit is maintained at 40 degrees.
- We use reliable pumps and a complete pump group from the well-known manufacturer Grandfos. They have proven themselves to work quietly and rarely require repairs.
Grundfos pump
- Equipped with a bypass with an automatic control system installed in the pumping system. Serves as protection against boiling of the heat exchanger, and also makes it possible to synchronize the operation of the pump and the hydraulic resistance of the heating system.
- The fitting, which is located at the connection between the boiler and the chimney, allows you to measure the vacuum created in the fan. This fitting makes it possible to detect a breakdown and fix it in a short period of time.
- A reed switch sensor is installed to measure the flow temperature; its advantage is its simplicity and high degree of reliability.
- There is a mode for adjusting to low consumption in the hot water supply circuit, that is, at low flow rates or when the inlet water temperature is very low. At the output you will have a stable temperature without jumps.
How to choose the right wall-mounted double-circuit Immergas units
Before purchasing a double-circuit wall-mounted unit, you need to decide what functions it should perform, what power it should have, what circulation, etc. You also need to invite a specialist who will help you correctly install the Immergas gas boiler. If you need heating equipment only to heat the house, then it is better to choose a single-circuit boiler - it is both cheaper and more economical. Well, if at the same time you also need to heat water for family use, then it is better to choose a dual-circuit model.
Double-circuit boilers are the most popular models around the world.
They can remove exhaust gases using:
For people who live in high-rise buildings, it is best to choose forced draft to remove exhaust gases, that is, purchase a coaxial pipe (you can find the instructions and read how to install it, so as not to make repairs later). And residents of private houses definitely need to make a chimney for Immergas gas units.
Most Common Error Codes and Troubleshooting Methods
Let's try to figure out what the error codes for the Immergaz gas boiler mean. The most common error is 01, it is the ignition is blocked. Let's look at each error in more detail.
01
Ignition blocking. The boiler is designed so that it switches on automatically. If the burner has not ignited after ten seconds, a lockout occurs. To remove it, click on reset.
If the boiler turns on after a long period of inactivity, you will need to remove the blockage because air has accumulated in the gas line. If the unit turns on quite often, seek qualified assistance from a specialist.
02
Error 02 - the safety thermostat is triggered, overheating has occurred, the flame control is faulty. If the temperature begins to rise during normal operation of the device, a protective function is activated. Wait until the temperature drops to the desired level, then press the reset key. If this problem occurs frequently, seek help from a specialist.
03
Error 03 appears on the display when the smoke thermostat is triggered. That is, the fan is malfunctioning; to solve the problem, remove the housing. Then open the chamber, it houses a motor that draws air out of the combustion chamber. Open it by unscrewing the screws, clean its blades from accumulated dirt, this can be done with a brush. Lubricate the bearings and reinstall everything.
04
Error 04 - high resistance of electromechanical contacts. The contact is blocked; the reason may be a failure of the protective thermostat or the minimum permissible water pressure sensor. Turn off the device, and after a couple of minutes try to restart it, or try closing the contact of the limit thermostat.
Water pressure sensor
If this does not work, close the minimum pressure contacts. Test the contact at the smoke exhaust pressure switch using the same method, after turning on the fan. If you find a breakdown, replace the element. If this does not work, you need repairs performed by a qualified specialist and diagnostics of the board.
06
Error 06 - the NTC sensor in the hot water supply system has broken down. To identify and repair, you must contact a service center.
10
Error 10 - low pressure in the system. Error e10 occurs when the pressure in the system drops when it is less than 0.9 bar. The first step is to try restarting; if the error remains, you need to check the following.
The cause may be a heat exchanger leak, check it, if you find a leak, fix it. To eliminate this, use the make-up lever, it looks like a screw, turn it counterclockwise, with this action water from the water supply will flow into the heating, monitor the pressure values, when the number is 1.3, close the valve.
11
Error 11. The smoke pressure thermostat is triggered. When the chimney does not work well, the boiler is blocked; after half an hour, it restarts if the draft has become sufficient. If more than three shutdowns occur in a row, the display with an error code lights up red.
Smoke pressure switch
To unlock the boiler, press reset. In the instructions, the manufacturer recommends contacting a service center, however, first you can check the chimney draft and clean it.
20
Error 20 occurs with stray flame. This indicates a gas leak or a failure of the flame control system. Restart; if the same thing happens when you turn it on again, you need to test the board at a service center.
27
Error 27. This error indicates insufficient circulation in the heating system. The boiler begins to overheat, the reasons for overheating may be the following: air in the heating pipes, taps are turned off. It is also possible that the circulation pump is blocked; unblock it. The cause may be clogged filters, check and clean. Check the heat exchanger for deposits.
Removing air from the heating system
28
Error 28 indicates a leak in the water supply circuit, that is, the device heats the heating circuit, and the temperature in the water supply also increases, at a time when it should be constant. Check all faucets in the house for leaks, and also check that the taps are closed.
Advantages and disadvantages
The main advantages of Immergas heating equipment:
- compact dimensions;
- multifunctionality (Immergas boilers have many functions, due to which they can work autonomously almost all the time and will not require immediate repairs);
- high quality of assembly and materials used;
- low noise level;
- warranty up to 3 years;
- network of services throughout Russia;
- excellent reviews from specialists and positive opinions from boiler owners.
Boiler automation works based on the temperature in the rooms.
This climate control system will help create the most comfortable environment in your home , while using a minimum amount of fuel. The self-diagnosis system, which is included in the product software, can start automatically.
All information about the quality of the product or any errors that have occurred will be displayed on the product screen.
Disadvantages of gas boilers from Immergas:
- high cost of Italian-made boilers;
- expensive spare parts;
- inconvenient (hard) buttons on product control panels.
Other faults
The most common malfunctions of these devices include the following:
The reason for this may be a leak in the main line or at pipe joints. What to do in this case? Of course, the most correct solution would be to call the gas service, however, you can check the connections yourself using a soap solution. If a leak is found, it can be eliminated using tow and tightening the bolts tightly.
Checking the draft with a sheet of paper
This can be done using a small sheet of paper, bring it to the ventilation duct. If everything is in order, the sheet should be held under the influence of traction, but if it has fallen, the channel must be cleaned. Another reason could be a mismatch in the fan power supply; it should be at least 196 V.
Model range overview
Immergas devices have a wide variety of models. Here you can find samples with one and two circuits, condensation and convection type devices, as well as compact floor and wall units. You will be able to view more than 10 series, which will differ from each other in characteristics, types of installation and operating principles. All series include models with different powers and performance.
Let's consider the most popular models among buyers.
Sources:
https://cosmo-frost. ru/gazovye-kolonki-i-kotly/neispravnosti-gazovye-kolonki-i-kotly/oshibki-i-neispravnosti-gazovogo-kotla-immergaz/
https://101studio. ru/kotly/immergaz-instrukciya. html
Diagnostics
Proper repair requires following a certain sequence of actions:
- Troubleshooting. There are obvious and invisible breakdowns. With a boiler that has stopped functioning, everything is clear, but there may be defects that are difficult to notice immediately or that do not greatly affect the operation of the boiler room.
- Diagnostics: searching for the reasons that led to the breakdown. This could be clogged filters, a violation of the integrity of the wires, or failure of individual components.
- Elimination of causes. First you need to determine whether it will be possible to repair the boiler yourself; in some cases you can save a lot by performing simple manipulations, and sometimes there is a risk of aggravating the situation if you carry out the wrong actions.
Reference! You should not disassemble or repair the boiler when its warranty period has not yet expired. If you cannot repair the equipment on your own, repairmen will refuse to correct the defects free of charge.
Unstable operation of the burner, which often goes out. To maintain the combustion process, the presence of oxygen is necessary; its deficiency (during boiler operation) is easy to detect if, for example, you open the windows in the boiler room. Stabilization of combustion indicates the need to improve ventilation in the work area.
You may have to install supply valves or a door with a ventilation hole.
Insufficient gas flow in the line is determined when the hose is disconnected from the boiler. When the valve is open, you should hear a hiss and smell the addition of the gas mixture.
The pressure may drop as a result of a clogged filter; to clean it, remove the mesh inside and rinse it. If a blockage occurs in the gas meter, you will have to call gas service workers.
Overheating of the coolant can cause an emergency shutdown of the equipment. This often happens due to a malfunction of the pump that disperses the working fluid throughout the house.
If air has entered the working chamber of the pump, then to remove it you need to add coolant there.
Sometimes the rotor, an element of the pump, gets stuck and stops rotating; the problem can be eliminated by disassembling the housing; the rotor is turned by hand, removing particles of debris in the chamber if possible.
You should also check the expansion tank, which in modern boiler models is built into the unit itself. The pressure in it is checked with a standard automobile pressure gauge; its value should be 0.2 atm less than the working pressure in the pipeline.
If necessary, air is pumped up with a manual or electric pump.
According to safety rules, repairs of all dangerous equipment, which includes gas heating units, must be carried out by specially trained qualified specialists. However, in remote areas, the arrival of a specialized repair team can take a very long time. Therefore, in case of emergency, if the issue does not concern automation and gas pipes, you can do it on your own and repair the gas boiler yourself.
Ways to solve some problems when repairing a gas unit yourself
Various components of a heating installation can fail for various reasons. This could be low-quality parts, violation of operating requirements, sharp impacts on the component parts of the unit.
- The most common cause of failure of volatile devices is settings failure. Do-it-yourself repair of a gas boiler should begin by checking that the settings are set correctly and that there are open contacts. When troubleshooting, the unit is set to the “Winter” mode and the setting is set to the maximum heating temperature.
- If the pump does not work, then either you simply need to replace the cable, or you will have to change the pump itself.
- If there is no gas supplied to the burner, then you need to make sure that the gas valve is open, the gas pipeline is not clogged, and the voltage supply is in order. If the problem persists after all these steps, you will most likely have to replace the electronic board.
Shutting off parapet boilers in severe frosts can be caused by the appearance of ice on the chimney. The formation of an ice crust is explained by the content of water vapor in the exhaust combustion products. As a result of freezing of ice build-up and difficulty in escaping flue gases, the device automatically turns off and attempts to turn it on again will be unsuccessful.
Repairing gas boilers with your own hands is not always possible and only in cases of visible and simple faults. Complex breakdowns can only be repaired efficiently and reliably by specialists with the necessary knowledge and equipment.
The Italian manufacturer Immergas has its factories in 15 countries. Gas boilers from this well-known manufacturer are sold throughout Europe, and it also has Russian representative offices. The Immergas company produces “new generation” boilers - condensing boilers. They use not only the heat released from the combustion of gas, but also the heat from steam. This means that fuel costs are reduced by almost 35%.
You can find about 80 models of Immergas products, but not all of them are supplied to our country, but only those that are adapted to domestic climatic conditions. They will be discussed in our article.
Problems not shown on the display
When they occur, the Buderus error is not displayed, but a number of signs indicate incorrect operation of the boiler or the entire heating system.
Adjusting the circulation pump
Adjusting the circulation pump
1. Slow heating of batteries; noise of fluid circulating along the circuit. The main reason is the incorrectly set pump speed. The switch is located on its body.
2. “Difficult” ignition, boiler efficiency is lower than declared. There are several options: from poor burner performance to the use of gas with characteristics that do not meet the manufacturer’s requirements.
Recommendation
: carry out Buderus service, check the set parameters.
The article provides explanations for all problems that can be resolved independently. It’s better not to go deeper - the boiler is expensive, and unprofessional intervention in its operation will not lead to anything good.
User manual
The operation of Immergas gas boilers consists of creating appropriate conditions for the unit and non-interference in its operation.
Procedures that the user can perform:
- Adjustment of the temperature of the extract air and hot water, carried out in operating mode according to your own feelings.
- Switching the boiler to summer or winter mode (DHW supply without heating or both functions simultaneously).
- Draining and filling the system.
- Cleaning the boiler body from dirt.
All other actions - annual maintenance, repairs, cleaning of the chimney or heat exchanger - must be performed by specialists from the service center.
A particularly important procedure is the repair or replacement of individual components and parts. A qualified and experienced craftsman is required here.
All adjustments are made on the control panel, which has a detailed device that allows you to simultaneously see several parameters of the boiler. This is much more convenient than on units from other manufacturers, but requires prior reading of the user manual.
All the most critical nodes are directly connected to the panel and have their own light indication.
If problems arise, the light begins to flash, signaling the need to take appropriate action.
Preventive recommendations
Modern gas boilers are very practical and well-thought-out units; they have absorbed the best experience of past decades combined with the latest developments in the field of boiler materials, automatic control and protection. They are made in blocks, with the ability to replace worn parts and assemblies.
Units that are operated according to the manufacturer’s operating schedules are able to operate for decades without emergency stops or replacement of components.
The weakest components of the Proterm boilers and Buderus boilers:
- Heat exchanger - serves to transfer heat from flue gases through a developed pipe surface to the water of the heating circuit: heating and hot water. The duration of its operation largely depends on the quality of tap water and the presence of hardness salts and suspended impurities in it, as well as on the temperature conditions in the network. At temperatures above 70 C, hardness salts are intensively deposited on the walls of pipes on the water side, gradually clogging the flow area. Low circulation causes overheating of water and pipe walls, on the surface of which fistulas form due to excessive overheating. At the slightest suspicion of the presence of scale in the pipes, chemical cleaning of the internal surface of the heater is carried out using the technology and reagents specified by the boiler manufacturer. In order to prevent scale formation, water purification filters are installed at the entrance to the boiler.
- Circulation pumps. According to the new operating rules, the gas boiler operates using a closed heating system, which increases the efficiency of heating rooms and the ability to automatically control thermal conditions. Pump repairs are usually caused by damage to the mechanical and electrical parts of the structure.
- The temperature sensor of the heating circuit produces a parameter that is the main one in the automatic mode control system, in connection with which the boiler is turned on/off; its malfunction may be in the contact group or caused by a break in the communication line.
- A gas burner is the main device of a boiler, which burns fuel to produce thermal energy. Repairing this device involves cleaning the nozzles.
- The expansion tank is a unit that compensates for the excess pressure of the medium that occurs during the heating process. Repair is carried out by replacing elastic membranes.
Most of the parts and components for repairing a boiler unit are available in the retail chain, they are also easy to find on the Internet, but if the boiler is under warranty, it is recommended to purchase them through service centers, which will guarantee not only high-quality repairs, but also its durability.
