Description
Original inverter card for Grundig Bloomberg bottom freezer refrigerator | 5940940800
⚠️ Important before ordering – professional installation required
Just before ordering – safety above all!
The inverter card is a complex electronic component that requires Installation by a qualified technician only.
Unprofessional installation may cause irreversible damage to the compressor, risk of electric shock, and void the warranty.
We strongly recommend that you call a qualified technician. Marom Service To install the part. The cost of the technician's visit is Only 290 NIS.
👉 Click here to schedule a certified technician
Click the 'Check Model Compatibility' button at the top of the page and our system will immediately confirm that the part is suitable for your refrigerator.
🔧 Why is the inverter card so important?
The inverter card is the “brain” of the cooling system in your refrigerator.
It controls the speed of the compressor and regulates the cooling power. According to actual need.
Unlike older compressors that operated in an “on/off” mode, inverter technology allows for continuous and more efficient operation.
From our experience in official service laboratories , a properly functioning inverter card ensures:
- ✅ Uniform and stable cooling – No temperature fluctuations
- ✅ Significant electricity savings – The compressor works exactly at the required power.
- ✅ Quiet operation – No sudden on and off
- ✅ Extending compressor life – Less load on the mechanical components
🚨 Signs that the inverter card is failing – do you recognize these faults?
Our certified technicians indicate that the most common faults are:
| סימפטום | Problem Description |
|---|---|
| 🌡️ Refrigerator not cooling properly | The temperature rises even though the fans are running |
| 🔇 Compressor does not turn on | Complete silence from the compressor area, only fans are working |
| 🔊 Unusual noises | Repeated clicks, buzzes, or unusual noise from the compressor |
| 💡 Flashing light | The warning light on the control panel flashes continuously. |
| ❄️ Defrosting problems | Ice builds up and melts intermittently, food spoils |
| 🌡️ Extreme temperature fluctuations | Food freezes in the refrigerator compartment or thaws in the freezer compartment |
| ⚡ The refrigerator suddenly turns off | The refrigerator stops working for no apparent reason. |
pay attention: If the compressor tries to turn on and off repeatedly (repeated clicks), this is a clear sign of a faulty inverter board.
Don't wait. – Continuing to operate in this condition may cause damage to the compressor itself.
💡 Why is it important to use only original parts?
An original manufacturer's inverter card guarantees:
- perfect match – Specially designed for Bloomberg and Grundig inverter compressors
- Built-in safety protections – Protects the compressor from overload and overheating
- Precise operating frequencies – Provides the correct frequency range (57-104 Hz) for optimal operation
- Manufacturer's warranty – Maintaining the validity of the refrigerator's warranty
- Proven longevity – High long-term durability
⚠️ Warning: Non-original parts may provide incorrect voltage or frequency to the compressor, which will cause irreversible damage and void the warranty.
📍 Where is the model number of the refrigerator?
To ensure an exact fit, locate the model sticker on your refrigerator:
- In the refrigerator, bottom freezer – On the left inner wall of the refrigerator compartment, at the top
- In a 4-door refrigerator – On the inside of the upper refrigerator compartment door or on a side wall
- Energy label – The model number also appears on the energy consumption label.
Tip: Take a photo of the sticker before ordering – this way you can ensure a perfect fit.
🛠️ Professional installation – why is it critical?
The inverter card works with high voltages of up to 300 volts and above.
Incorrect installation may cause:
- ⚡ Serious electric shock hazard
- 💥 Irreversible damage to the compressor
- 🔥 Fire hazard
- ❌ Immediate cancellation of warranty
The certified technicians of Marom Service:
- Perform comprehensive diagnostic tests before replacement
- Make sure that the fault is indeed in the inverter card and not in another component.
- Install the part safely and professionally
- Checking the integrity of the system after installation
👉 To schedule a visit from a certified technician – click here
Visit cost: 290 NIS | Proper installation saves you money and heartache in the long run.
📋 Technical specifications
| Manufacturer's SKU | 5940940800 |
| brand | Grundig / Blomberg |
| Product type | Inverter Board |
| originality | Original part from the manufacturer |
| role | Inverter compressor speed control |
| התקנה | A qualified technician is required. |
| Cost of technician visit | 290 NIS |
✅ Model compatibility
This card is suitable for the following refrigerator models:
| model | Refrigerator type |
|---|---|
| CN160240 | מקרר מקפיא תחתון |
| GN1406221 | 4 door refrigerator |
| GQN1621 | Grundig 4-door refrigerator |
| GQN21225 | Grundig 4-door refrigerator |
| KND3950 | Bloomberg bottom freezer refrigerator |
| KND3954 | Bloomberg bottom freezer refrigerator |
| KND3965 | Bloomberg bottom freezer refrigerator |
| KQD1620 | Bloomberg 4-door refrigerator |
| KQD1621 | Bloomberg 4-door refrigerator |
| KQD1635 | Bloomberg 4-door refrigerator |
Didn't find your model in the list? Click the 'Check Model Compatibility' button or contact our customer service.
🔄 Preventive Maintenance – Tips from the Experts
To extend the life of the inverter board and the entire refrigerator:
- 🧹 Keep it clean. – Clean dust from the compressor area and rear coils once every six months.
- 🌬️ Proper ventilation – Leave a space of at least 5 cm from the back wall
- ⚡ Surge protection – It is recommended to connect the refrigerator through a voltage stabilizer.
- (I.e. Avoid unnecessary openings – Frequent door opening puts a strain on the cooling system.
- 🧊 Don't overload. – Overload makes it difficult for cold air to flow
❓ Frequently Asked Questions
Is the inverter card suitable for my model?
Click on the button 'Model Compatibility Check' At the top of the page.
Enter the model number from the sticker inside the refrigerator and the system will confirm a match within seconds.
Can I install the card myself?
We strongly recommend not to.
The inverter card works with very high voltages and unprofessional installation may cause damage to the refrigerator, an electrical hazard, and void the warranty.
Contact a certified technician. Marom Service At a cost of only 290 NIS.
Is this an original product?
Yes! This is an original spare part from the manufacturer, supplied by the official importer.
Using an original part ensures perfect compatibility and maintenance of the warranty.
How long does the installation take?
A qualified technician installs the inverter card in approximately 30-60 minutes, including proper testing before and after the replacement.
How do I know if the problem is with the inverter card or another component?
Our certified technicians perform a comprehensive diagnosis before replacement.
They check the resistance of the compressor coils, the input voltages to the board, and other components to verify that the card is indeed faulty.
📞 Need help?
To coordinate a qualified technician Marom Service:
👉 Click here to schedule a visit
Cost of a technician visit: 290 NIS
Customers who purchased this part praised the technicians' professional and fast service.
This is one of the most sought after spare parts. For Bloomberg and Grundig refrigerators with inverter system.
Original product from the official importer | Fast shipping nationwide | Professional customer service






















