Malfunctions of the Beretta gas boiler happen for various reasons. To make it easier for you to fix the breakdown, the manufacturer has provided a self-diagnosis system. It includes control sensors that fix problems in the nodes by sending a signal to the control module. After that, the operation of the device is blocked, and an error code appears on the display. To eliminate the symbols, it is necessary to find and eliminate the malfunction.
Features of Beretta boilers
Gas boilers of the well-known Beretta company are represented by floor and wall models. Among them there are convection and condensation options. Consider the features of each of them.
Most Popular wall units: Beretta City 24 CSI, “Beretta Super Exclusive”. Some models include a useful Winter-Summer mode. It allows you to switch the heating temperature to save fuel.
Management is mechanical with regulators and electronic with a display. It is possible to connect a remote control. Double-circuit boilers are equipped with a secondary plate-type heat exchanger. Pressure gauge available.
A closed combustion chamber takes air from the street, it is considered safer to operate. A coaxial chimney can be connected both in an apartment and in a private house.
The Novella and Fabula lines represent floor appliances. The control panel is hidden behind a sliding cover. In the presence of temperature regulation, thermometer, protection sensors. Burner with two adjustment levels. The Novella series is equipped with two radiators that operate on different circuits.
Condensing units use combustion energy more efficiently. To the usual efficiency of 90–95%, another 5–10% is added due to the energy of gas combustion. These are the Minute Green, Exclusive Green lines. Among them, you can choose options with one and two circuits.
The modulating burner automatically mixes gas and air in equal proportions. Switching to liquefied fuel is possible. More details on the page “Overview of gas boilers Beretta”.
Errors and malfunctions
If you first saw a fault code on the screen, try to reset it by resetting the boiler. If after turning on the code has not disappeared, then read its decryption.
| Error code | Which indicator is on | Which means | How to fix the problem |
| Error A01 | Card. 1. | Ignition problems. |
|
| A02 | Card. 2. | The thermostat blocked the boiler. | Check the thermostat for proper operation. |
| A03 | The exhaust gas sensor has tripped. | Check:
| |
| A04 | Card. 3. | The thermostat has tripped. | Repair and replace the control module. |
| A05 | The NTC temperature sensor for hot water supply (DHW) is defective. | Inspect the contacts, sensor connections. Install the correct part. | |
| A06 | Card. 2. | The NTC heating thermistor is out of order. | |
| A07 | Card. 2. | The relay did not open. | Run diagnostics on the electronics module. |
| A 11 | Card. 2. | Flame simulation. | Contact the service center. |
| ADJ | Card. 2. | Required power setting (max. – min.). | |
| A24 | Fan problems. | The fan changes speed too quickly. Diagnose the operation of the node, its connections and contacts. | |
| E33 | Phase and neutral connection broken. | Reconnect your device. | |
| E34 | Frequent pressing of the Reset key. | If the problem persists after 40 minutes, install a new slave board. | |
| E35 | Problems with the pressure switch. | Check the water flow in the circuits in accordance with the instructions. Replace the relay with a good one. | |
| E37 | False definition of flame. | Reconnect the smoke detector connections. Install a new sensor. | |
| E38 | Closed (short circuit) sensor of combustion products. | Perform a replacement. | |
| E39 | The retraction sensor contacts are open. | Replace wiring, tighten contacts. | |
| E40 | Voltage fluctuations in the network. The frequency is not correct. | Install a voltage stabilizer. | |
| E42 | Short circuit of the sensor on the supply line. | Perform diagnostics of connectors, parts, replacement of a defective element. | |
| E43 | Sensor contacts open. | ||
| E44 | Short circuit of the sensor on the return line. | ||
| E45 | Opening of the sensor. | ||
| E46 | The supply thermistor indicates overtemperature. E47 for the return thermistor. | Check for correct fluid flow. Normally, the indicators are 2 m³ per hour. | |
| E48 | High fan speed. Flue gas temperature exceeded. | Check water flow. Descale the heat exchanger. | |
| Blinking 88°. | Ignition standby mode. | ||
| Kart. 2 flashes. | The smoke extraction pressure switch has tripped. | Inspect the chimney, clean it of blockage. | |
| Card 3 blinks. | The hydraulic pressure switch has been activated. | Perform element diagnostics. | |
| P | Hot water preheating. | ||
| P flashes. | There was a request for preheating. | ||
| Card. 4. | Outdoor thermostat. | ||
| Card. 5. | DHW activation. | ||
| Card. 6. | Heating start. | ||
| Card. 7. | Starting the “Antifreeze” mode. | ||
| Card. 8. | Flame in the burner. |
Other malfunctions
Not all problems are indicated by an error code. If you notice deviations in the operation of the Beretta gas boiler, our recommendations will help.
Smell of gas in the room. Close the shut-off valves, ventilate the room, contact the gas service.
Smell of smoke, carbon monoxide. Clean the chimney of soot and debris. Check that there are no foreign objects from the street above the shaft opening.
Burner ignites late. Examine the gas valve. Clean the burner and nozzles from dust. Flame setting adjustment (modulation).
The boiler is working normally, but the batteries are cold. Bleed excess air from the system using Mayevsky taps. Check pump operation, set another speed. Inspect the expansion tank for serviceability. Replace if defective.
Now you know how to restore the operation of equipment. In some cases, an appeal to the master is required. For example, when there is a gas leak or to replace the control board.
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