Gas boiler Neva Lux 7224 error 03. Heating systems for country and country houses

This article contains all possible malfunctions and options for their elimination, as well as error codes for Neva Lux boilers. All information is read in the following order: code - name - possible malfunction. If you have any additional questions, please leave them in the comments to this article.

If you are not 100% sure what exactly the problem is and that you can solve it, immediately contact the service center to diagnose and fix the problem.

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If the Neva Lux boiler has a failure or incorrect operation of any of its systems, then it displays the corresponding error code on the display. This makes it easy to find and fix the damage.

Error code 01 - Ignition error

This code means that the boiler has a problem with ignition. In this case, the device does not start up. Possible reasons:

There is no gas supply. It is required to check the shut-off valve on the gas pipeline. If everything is in order there, then it is necessary to measure the pressure in the cylinder, provided that the unit runs on liquefied gas.
The spark plug broke. Not repairable, needs to be replaced.
Problems with the electrical circuit of the spark plug. To eliminate it, you need to check the contacts and the circuit itself.
Incorrect gap between spark plug and burner section set. The gap should be adjusted according to the instructions. It must be 5 mm with a tolerance of no more than 0.5 mm.
The spark coming from the spark plug electrode jumps to the shell of the combustion chamber. To eliminate it, you need to move the shell away by bending it together with the installation of the candle.
The spark plug was covered with dirt. Needs to be cleaned and degreased.
Breakage of the ionization candle. Replacement required.
Problems with the electrical circuit of the ionization candle. Checking the circuit itself and the contacts is required.
Breakdown of the ignition transformer. Install a new one.
The electrical circuit of the ignition transformer is damaged. Check the circuit itself and the contacts.
The burner block is dirty. Clean up.
Gas regulator circuit problem. Check circuit and contacts.
Defective gas regulator. Replace it.
Thermal relay failure. During normal operation, it should open at a temperature of 90 degrees. Replacement required.
Thermal relay electrical circuit damaged. Check the electrical circuit of the heating sensor and its contacts.

Error code 02 - The water temperature has exceeded the allowable value

This code means that the water temperature has exceeded the allowable value. The BaltGaz boiler is standing due to an accident. Possible causes and elimination algorithm:

There is no flow in the heating system due to severe clogging. Cleaning required.
Thermostat failure. Normally, it should open at a temperature of 90 degrees. Its replacement is required.
There is air in the heating system. Discard it through the bleed valve.
Strong contamination of the filter located in the heating system. It needs cleaning.
Valve and bypass problems. Most likely, it is incorrectly installed or broken. Check that it is installed according to the instructions, replace if necessary.
Pump failure. Replace.
Defective air valve. Replacement required.
Failure of the pump relay located on the electronic board. The board needs to be replaced.
Damage to the gas supply regulator. Install a new one.
Incorrect gas regulator setting. Carry out the setup according to the instructions.
The electrical circuit of the overheat sensor is damaged. Check the contacts and the circuit itself.

Error code 03 - No traction

This code reports a lack of traction. The device has been stopped due to an accident. Possible causes and solutions:

Exhaust gases are not removed, respectively, the chimney may be clogged. Clean it up.
Poor air supply to the furnace. Clean the air intake duct.
There is no tightness of the pressure switch tubes. Carry out a replacement.
Problems in the electrical circuit of the pressure switch. Checking the contacts and circuit is required.
Pressure switch failure. During normal operation, the pressure switch contacts close if the differential pressure is equal to or greater than 130 pascals. Replacement required.
Condensation has accumulated in the pressure switch tubes. Remove condensate.
Fan electrical circuit damaged. Check circuit and contacts.
Fan failure. Repair or replace.

Error code 04 - Insufficient water pressure in the heating circuit

It indicates that the water pressure in the heating circuit is insufficient. The Neva Lux boiler was stopped due to an accident. Reasons and ways to eliminate them:

The water pressure in the heating system is below normal. Top up the heating circuit with water up to the indication required by the manufacturer on the manometer.
Airiness of the system. Discard it through the air outlet cock.
Damage to the water pressure sensor located in the heating circuit. The sensor needs to be replaced.
Pump failure or bleed valve. Repair or replace.
The electrical circuit between the pressure sensor and the electronic board is damaged. Check the contacts of the connectors in the control unit, as well as the contacts on the sensor. Check the electrical circuit for continuity.

Error code 05 - Error of the temperature sensor responsible for heating

Problem with the temperature sensor responsible for heating. The unit has been stopped due to an accident. Reasons and ways to eliminate them:

Broken temperature sensor. Its replacement is required.
There is a problem with the electrical circuit between the temperature sensor and the electronic board. Check circuit and contacts.

Error code 06 - DHW temperature sensor error

Indicates that the DHW temperature sensor is faulty. The operation of the BaltGaz boiler is carried out only for heating. Possible causes and their elimination:

Damage to the DHW temperature sensor. Replace it.
The electrical circuit between the sensor and the board is damaged. Check her and contacts.

Error code 07 - Error in the operation of the gas regulator modulator coil

Incorrect operation or breakdown of the gas supply regulator modulator coil. The device has been stopped due to an accident. Possible causes and their elimination:

Breakage of the gas supply regulator modulator coil. Normally, its resistance should be 80 ohms. When broken, it needs to be replaced.
There is no contact between the modulator coil and the electronic board. Check the electrical circuit and the contacts themselves.

Existing breakdowns in which errors do not appear on the device

If the electronic display of the Neva heating boiler does not show an error code, but the equipment does not turn on, pops are heard, there is a smell of gas, etc., then this may also indicate an existing breakdown of the system. Inspect the boiler, fix the problem, find its description in this article below and fix the problem in time.

It is impossible to turn on the Neva Lux boiler

There is no electricity in the network. Contact your electricity supplier.
The fuse on the board has blown. Its replacement is required.
Moisture has entered the circuit board. To fix, try drying the board with slightly warm air, or remove the board and place it in a dry place for a few days. warm room. It is important that the water completely evaporates.
The electronic board may be damaged. In this case, the "reset" button will not help. To fix it, you need to disconnect the device from the network and try to turn it on again. If this does not fix the problem, then a new board should be installed.

Pops are heard in the burner

The settings for the minimum gas pressure and ignition power are set incorrectly. Re-adjustment of these parameters is required.
Too poor air supply to the burner. To eliminate it, it is necessary to clean the pipe or channel through which air is supplied.
Problems with a spark from the spark plug electrode. It slips to the edge of the burner section or to the shell of the combustion chamber. To eliminate it, it is necessary to slightly bend the spark plug, or, conversely, move the shell away from the combustion chamber. In this way, you will ensure that a spark enters the area of \u200b\u200bthe nozzle holes of the burner section.
The burner block may be dirty. It needs cleaning.

When the Neva Lux boiler is operating, there is a strong smell of gas

Maybe there is a leak somewhere and the gas is leaking. Check your circuit for leaks and locate any leaks in the room. Eliminate.
There is no hot water in the taps or very low pressure. Pressure cold water supplied to the DHW circuit is not enough for correct operation. Contact your cold water supplier.
The water filter is heavily soiled. It needs cleaning.
The filter is on the DHW line. In taps, the water temperature is much higher than the set temperature. To eliminate this problem, it is necessary to increase the amount of water passing through the DHW circuit. Can also be diluted hot water cold. However, the flow rate cannot be reduced.

Too low water flow through the DHW

Zoom it in.

The device works fine in DHW mode, but does not work for heating the house

No room thermostat jumper. Install it.
Breakage of the room thermostat jumper, which closes the contacts. Replacement required.
The room thermostat itself may be damaged. Replace.

The system is supplied with a temperature lower than the set temperature.

The sensor for controlling the temperature of the water supplied to the heating is broken. Descale this sensor first. This is true if a submersible sensor is installed. Or do a replacement.

When the device is in pause mode, it shows the symbol “—” on the display.

It does not respond to any buttons. The voltage supplied to the device has become more than 190 - 250 volts. To eliminate this malfunction, ensure that the voltage supply is within acceptable limits. Every 30 seconds the unit tries to start in automatic mode and it will do so until the problem is solved.

In the section on the question Boiler Neva Lux 8224. Constant error 03. Condensation accumulates in the pressure switch tubes. How to fix this problem. given by the author Vladimir the best answer is Need more detailed information about where it is located, external temperature, fuel (gas or diesel), winter or summer, etc. And condensate from what (water, gas)?
What can be done to prevent condensation from collecting in the Pitot tubes? The Neva Lux 8224 boiler turns off every year in January, showing error 03. Of course, I eliminate the condensate and start the boiler until the next accumulation of condensate, but this problem is pretty annoying. Help!

Answer from Yotas Shabanov[guru]
1. Check if the faucet is completely closed
make-up.
2. If the make-up valve is closed to the stop, then
it is possible that the feed valve is not tight.
Replace feed tap.
3. Check if the secondary heat exchanger is leaking.
4. Also check if the sensor is working
pressure and connectors of its contacts.
Another option: slightly opening the plug on the right side
at the top, in order to enter the combustion chamber
warm air gets in and
condensation formed in the pressure switch tubes.

What does error 01 mean, how to troubleshoot when repairing Neva Lux?

Dual circuit gas boilers Neva Lux 8624, 8230, 8224 are a wall-mounted apparatus with forced circulation of the coolant (water or antifreeze). Repair and maintenance of Neva Lux boilers is carried out according to the official instructions by a specialized service organization, which is also engaged in installation, commissioning and service work with the delivery, replacement of faulty Neva Lux heating equipment with new spare parts.

So, with error 01, the flame does not ignite in the combustion chamber or the ignition starts, but it turns out to be unsuccessful - the Neva boiler does not work. Briefly, in this case, there may be one or several causes of error 01 at the same time. We will consider all the causes of an emergency and give a full range of recommendations for repairing the Neva Lux gas boiler in the event of error 01. Technical information is provided for service engineers of gas equipment repair organizations.

Error 01 in the electronic control board is often found when repairing gas boilers from various manufacturers of electrically dependent heating equipment with electronic control. The first common malfunction is the lack of ignition - this is the incorrect operation of the entire chain of energy-dependent and mechanical actions, starting from the pilot and ending with the main gas burner. Similar problems during the occurrence of error 01 apply to wall boilers Wisman Vitopend 100, Baksi, Kiturami, Electrolux, Ariston, Immergaz, Neva Lux 8224 and other models from various manufacturers. During an external examination of the gas apparatus, it is necessary to make sure that all the manufacturer's recommendations for installing a gas boiler are observed: electricity, electronics, gas, chimney, air flow, correct installation of the Neva Lux boiler according to wiring diagram and gas management regulations.

Repair of the Neva Lux gas boiler with error 01 information begins with checking the gas supply to the heating boiler fittings. Next, we check all RT for working condition, observing the contact capacity of the relay. Diagnostics of the gas valve-modulator, checking of static and dynamic pressure. By default, ignition, ionization elements are subject to verification and maintenance. In this case, the clearances relative to the burner section along the two electrodes must be observed. Eliminate distortions and mechanical damage that interfere correct settings boiler. Diagnostics of the ignition transformer unit (coil), if there is no power to the ignition electrode.

During the repair of the Neva Lux boiler operating on liquefied gas, it is necessary to prepare documents for the last refueling of the gas tank (fuel technical data), an agreement for those. gas boiler maintenance and call a specialist service department for gas diagnostics and repair. apparatus.

Timely, constant maintenance of Neva Lux gas boilers ensures uninterrupted operation of equipment, warmth and comfort in your homes. By carrying out scheduled repairs, the necessary replacement of spare parts, you extend the life of the Neva Lux boilers and make the right investment.

Neva heating equipment is one of the most popular among users. The equipment of this brand is adapted to Russian realities, it works stably at reduced pressure in the line. But this does not mean that the operation is without breakdowns. Errors of the Neva Lux boiler will indicate malfunctions in the system, and their meaning will help restore the operation of the equipment.

Features of the operation of boilers "Neva"

Gas boiler "Neva" is presented in a wall and floor version. Single-circuit devices can heat an area of \u200b\u200b180 m², they are characterized by low energy consumption. They operate on main and liquefied fuel. Since the combustion chamber is water-cooled, connection to an external thermostat is possible. The organization of the chimney is carried out to the main shaft or to the turbo nozzle.

Double-circuit units are represented by the Neva Lux models. The design includes two heat exchangers for heating and hot water supply (DHW). For example, a bithermic radiator is built into the Neva Lux 7224 model. This is a tube in a tube where water is heated simultaneously for two circuits.

Control of devices mechanical and electronic. Special sensors control the operation of the boiler, in case of malfunctions they send a signal to the control module. Then a fault code is displayed on the display. To find out its meaning, you can look at the instructions.

Error codes for Neva equipment

We list the main malfunctions of the device, as well as indicate options for resolving the problem.

Neva Lux errors

Fault code	What does	How to repair
e1/04	The heating system is under pressure.	Bleed the air from the circuit, increase the pressure. Diagnose the bypass valve. Switch the operation to area heating, close the valve to the system. Water must go through the bypass line, otherwise the part is defective. Flush the pump from blockage, replace if defective. Repair of the pressure sensor circuit. Inspection of connectors, cables. Check the sensor rod for sticking. Turn off the device and remove the sensor and stem. If the diaphragm is damaged, install a good element. The flow sensor has failed. Diagnose and replace. Inspect the three-way valve motor.
e2	Ignition error.	What to do: Unscrew the stop valve until it stops. Replace LPG bottle. Inspect and replace if broken: Spark plugs and their wiring. Ionization wires. To do this, remove the wire from the candle - the work should be blocked, and 01 should appear on the display. Reconnect the wire, hold the K6 and Restart buttons. Ignition transformer and its circuit. Gas supply regulator. Also remove the dust from the candle, move it closer to the burner (3 mm). Replace control board
e6/03	There were problems with traction.	Clean the chimney of debris and soot. Inspect the tubes leading to the pressure switch. If they are clogged, clean them of condensate or install new ones. Diagnose the pressure switch and its wiring. Check the fan and its circuit.
e7	The water temperature is above normal.	How to proceed: Remove blockage from the heating system. Make sure the thermostat is working, check if it really shows the exact temperature. Open the valve and bleed excess air. Clean the filter from dirt, debris, rust. Check the location of the bypass. The pump does not turn on. Repair. Replace the part that regulates the fuel supply. Correctly connect switch S3 on the electronics module.
01	Ignition fails.	How to fix the problem: Make sure that the shut-off valves are in good condition, open the gas cock. The spark plug is broken or clogged. Clean the part from dust. If the spark plug or its wiring is faulty, replace it. Adjust the distance between the candle and the burner (3 mm). When the electrode is turned on, a spark hits the combustion chamber. Isolate the breakdown site. Measure the ionization current. Connect the microammeter to the ionization circuit, measure the indicators. Normally, it should be from 3 to 5 microamps. Inspect the ignition transformer circuit. Repair. Remove soot from the combustion unit.
02	The equipment does not work due to overheating.	The heating circuit is clogged. Clean up. Install the correct thermostat. Bleed air with taps. Clean the heating filter of debris. Bypass valve installed incorrectly. Reconnect the item. The pump that removes excess air is faulty. Run diagnostics. Set the gas regulator.
05	The circuit temperature sensor is broken.	Check the cable from the sensor to the electronic board. Connect a new element.
06	Problems with the hot water temperature sensor.
07	The fuel regulator coil has failed.	Measure the coil resistance with a multimeter. In operating mode, it should be 80 ohms. The contacts between the coil and the electronic circuit are broken. Check the electrical circuit.
99	Electrical problems.	Grounding is not organized. Breakdown on the boiler body. Reverse the plug in the socket