Frequently asked questions
Do you have a question about our products or something else? Here you will find questions and answers to many things.
Charcoal filters
In order for charcoal filter technology to have the best conditions, it is important to follow the maintenance instructions for the grease filter. Regular maintenance of the grease filter helps to form a prerequisite for the optimal effect of your charcoal filter and can influence the replacement interval of the charcoal filter.
We recommend that the original charcoal filter intended for the ventilator is used, for optimal effect.
Charcoal filters and Monoblock filters are used when choosing recirculation ventilation. Filters must be changed after the specified time to ensure that ash collection and ventilation work properly.
Change every 4th month:
Charcoal filter 9250, used in Lyra, Helios, Sigma, Flora, Cilindro and Neptune.
Charcoal filter 9410, used in older Crystall 1140.
Charcoal filter 403709, used in new Crystall 1140.
Charcoal filter 9251, used in Vero, Argo and Sheen.
Charcoal filter 9247, can be used in every model that uses 9251.
Change every 12–18 month:
Charcoal filter 403296, used on 600-models.
Charcoal filter 3298, used on Fortuna.
Charcoal filter 9818, used on 600, Crystall 1160 and Fortuna.
Change every 200 hours (between 1–2 years):
Charcoal filter 403261, used on Leda and Slide.
Change every 450 hours (between 2,5 years):
Charcoal filter 403473 RørosHetta Easy Monoblock filter. All charcoal filters are designed to remove general food odors and meat odors. RørosHetta’s Monoblock filter is fitted with a special coating to remove fish odour.
Change every 900 hours (between 4–5 years):
Charcoal filter 8521 RørosHetta Monoblock filter. Used in all SENSE hoods for recirculation. All charcoal filters are designed to remove general food odors and meat odors. RørosHetta’s Monoblock filter is fitted with a special coating to remove fish odour.
Charcoal filter 9645 RørosHetta One and Panorama Monoblock filter. All charcoal filters are designed to remove general food odors and meat odors. RørosHetta’s Monoblock filter is fitted with a special coating to remove fish odour.
Change every 3 000 hours:
403254 Plasma Carbon filter.
Contact us through our service form with a picture of your hood or extractor, and the filter you have today.
Our technical support will help you find the filter you need.
Don’t know how to find serial number or product name? Follow the instructions here.
If you do not change the carbon filter after the recommended time, the filter loses its effectiveness and this will greatly reduce the air quality in the home.
Certain charcoal filters can be cleaned or regenerated, but only those intended for this. See product instructions for more information.
Grease filters
Contact us through our service form and our technical support will help you find and order what you need.
Based on normal use, the grease filter should be cleaned once a month. Over time, the grease filter will become somewhat weakened, but as a rule, depending on the quality, need not be changed before 4–5 years have passed.
The grease filter is cleaned either by soaking it in the sink with soapy water or in washing it in the dishwasher. Grease filters should be cleaned at a maximum of 50 degrees in the dishwasher.
Large accumulations of grease pose a major risk of fire spreading. Fat catches fire very quickly. When the grease filter is clogged, the efficiency of the ventilator is also reduced, and grease is spread further into the other channels.
Maintain your kitchen hood
A kitchen hood is used in an environment that can often get dirty and stained and should the accident happen – you get a stain or scratch on your hood, we offer solutions for you.
All products should be cleaned regularly with a damp cloth and mild soapy water. If fat remains on the product over time, it will stick more and more. Products with high-gloss metal must not be cleaned with a microfibre cloth as this can lead to small scratches.
The metals are treated with anti-fingerprint for better durability. Brushed metals can subsequently be treated with various impregnation agents, which will usually lead to a slightly darker color on the metal.
If you are unlucky with scratches in the varnished products, you can try ordering a stain varnish. Take a picture of the label on the inside of the grease filter with the serial number so that we can find the right colour and contact us via the contact form here: Service form.
When replacing your ventilator, we strongly recommend that you also change the flexible duct, as a lot of grease builds up in this over time. This is both flammable and unhygienic, so it should be replaced if you choose to change the cooker hood.
Kitchen hoods and components
Always read the operating instructions carefully. You can easily solve many problems yourself. Defects or damage due to incorrect operation, misuse, inadequate maintenance or incorrect assembly are not covered by the warranty.
Service invoices without a reference from Røros Metall will be rejected. Upon inquiry, the purchase date and type designation of the hood model must be stated. The type designation is found on the back of the grease filter.
Possible cause: Incorrect valve on the outside wall.
Solution: Replace the flap valve / back-pressure valve. Hold a dryer sheet / A4 paper below the grease filter. At stage 2, the sheet should get sucked up and attach to the grease filter.
Possible cause: Incorrect installation of ventilation duct.
Solution: The duct should be stretched out as much as possible. Contact the installer. Hold a dryer sheet / A4 paper below the grease filter. At stage 2, the sheet should get sucked up and attach to the grease filter.
Possible cause: The damper on the top of the motor box does not open.
Solution: Contact the installer.
Possible cause: Clogged damper.
Solution: Check if the damper opens and if the exhaust duct is stretched out. Contact the installer.
Possible cause: Clogged grease filter.
Solution: Wash the grease filter well in the dishwasher machine or sink. Must be performed at least every 2 months.
Possible cause: Insufficient air supply.
Solution: The air that is blown out must be replaced. Open doors to other rooms, if necessary, keep the window ajar.
Possible cause: Clogged roof hat.
Solution: If the duct extends above the roof, check if there is free passage through the roof hat.
In all hoods with Sense technology, there is a small circulation fan in the switch panel itself, which runs at regular intervals. Some people find the sound from the fan annoying.
Click here to see how to update the software for the Sensor panel and where you can turn off this fan.
Possible cause: Incorrect installation / power failure.
Solution: Check quick connectors / wires / power supply. Contact the installer.
Possible cause: Defective switch panel.
Solution: First check that the 24-hour after-ventilation is not activated. Disconnect the power for 1 minute. If this does not work, order a new model. Note the type designation of the model. Use the service form below.
Possible cause: Defective circuit board.
Solution: Note the type designation and order a new model. Use the service form below.
Possible cause: Transformer defect with 20 W halogen bulbs.
Solution: Note the type designation and order a new model.
Possible cause: Fuse defect with 50 W halogen bulbs.
Solution: Switch to new 1.6 ampere fuse. Remove grease filter and insert new fuse behind the “FUSE” button.
Possible cause: Clogged duct/damper.
Solution: Remove any loose objects from the ventilation duct. Check if the damper opens. Contact the installer.
Possible cause: Defective / transport damaged motor.
Solution: Note the type designation and order a new motor.
Possible cause: Filter indicator.
Solution: Clean the filter and hold the 24-hour button for 5 seconds to reset the indicator.
Possible cause: Filter indicator.
Solution: Clean the filter and hold button no. 3 for 5 seconds to reset the indicator.
Possible cause: Filter indicator.
Solution: Clean the filter and hold the left button (with fan symbol) for 3 seconds to reset the indicator.
Product Support / Troubleshooting - Stove monitor
Problem: The central unit does not respond to any of the buttons and none of the indicator lights are lit.
Solution: There is no power to the central unit. Make sure the power supply is properly plugged into the wall socket. Make sure the socket the power supply is connected to is live. 1: Check the fuses. 2: Check the connections on the contact. Make sure the power cable is properly connected to the central unit. The contact should be almost entirely inside the central unit. Due to the water-resistant design, the coupling is completely tight (applies only to Siro R). Make sure the power cable is properly connected to the Power supply. Ensure there is power in the kitchen: Check the fuses and connections in the consumption meter and check any home / away switches.
Problem: The central unit does not respond when specific buttons are used according to the instructions.
Solution: Error in the central unit. Component that needs to be replaced. Contact the retailer.
Problem: When you press two buttons simultaneously, the result is not as expected.
Solution: Holding down two buttons at the same time is a bit difficult. Carefully try again by first pressing Yes, holding down the Adjustment Mode button and then the Extra button.
Problem: The indicator light panels are constantly purple.
Solution: The stove monitor awaits installation. See installation instructions step 3/6.
Problem: The indicator light panels flash purple-blue.
Solution: Installation in progress: waiting for wireless connection. See installation instructions step 3/6.
Problem: The indicator light panels flash yellow-green.
Solution: Installation in progress: waiting for calibration. See installation instructions step 4/6.
Problem: The unit repeatedly sends out water leakage alarms.
Solution: There is a water leak in the kitchen. See instructions. The water leakage sensor is wet or dirty. Dry and clean the sensor. The contact with the water leakage sensor is not properly connected. Remove the fuses for the stove and oven. Check that the leakage sensors are properly connected. Put the fuses back again.
Problem: The indicator light panels are constantly red.
Solution: The unit is defective. Press the OK button to find out the problem type from the indicator lights. Water leakage warning light flashes once: problem with the radio connection to the power supply unit. Water leakage warning light flashes twice: The power supply unit is defective. Water leakage warning light flashes three times: The power control unit has overheated. Stovetop hazard warning light flashes once: The sensor is defective. Stovetop hazard warning light flashes three times: The power supply is defective.
Problem: The installation does not go as expected.
Solution: You can restart the installation process at any time by pressing the Function Mode button for 5 seconds until you hear the signal, and then continue with installation step 3/6 (see Installation Instructions). Make sure the stove and oven (if connected to the power supply unit) are turned off before starting installation. Make sure the stove and oven are not live = that the breakers are off before you start the installation. Ensure there is power in the kitchen: Check the fuses and connections in the consumption meter and check any home / away switches.
Problem: The childproof lock alarm doesn’t work on any of the stove plates.
Solution: The wireless connection is not properly activated. Check the connection again: Repeat the installation from step 3/6.
Problem: The unit turns off the stove’s power, but then the power returns.
Solution: The power supply unit is plugged in incorrectly. Make sure the power supply unit is connected properly – in other words, the stove is connected to the output cable.
Problem: Problems with step 3/6 during installation.
Solution: The central unit does not search for a pairing signal, or the power supply unit does not send a pairing signal.
Problem: A wireless connection is not established.
Solution: The central unit searches for a pairing signal from the power supply unit only when the light is flashing purple-blue. The power supply unit will send the pairing signal for eight seconds when it is connected to the power grid. See installation step 3/6. Make sure the power supply unit is not powered before starting step 3/6: Switch off breakers in the fuse box. Hold down the Function Mode button for 5 seconds until you hear a signal and restart the installation process from step 3/6. There is no power to the power supply unit. Ensure there is power in the kitchen: Check the fuses and connections in the fuse box and check any home / away switches.
Problem: Problem in installation step 4/6 (Calibration).
Solution: During calibration, the stove does not use power. Calibration requires that the stove uses at least 300 W of power.
Problem: Does not recognize the stove / hob.
Solution: With an induction stove, use a compatible plate or suitable metal item. When calibrating a stove, turn on the largest cooker plate with maximum heat. Make sure the oven is actually switched on – not just the oven light or the fan. The stove or oven is not connected to the power supply unit. Make sure the stove is connected to the power supply unit. The central unit may have been wirelessly connected to the neighbour’s power supply device. Repeat the installation for both stove monitors again from step 3/6.
Problem: Fuses cut the electricity when the power is connected to the power supply unit.
Solution: The power supply unit is incompatible with the electrical connections. Check the power connections for the stove and compare them with the label on the power supply unit. The power supply unit is incorrectly connected. Check the connections, see the label on the power supply unit. The stove plug or the wall socket is incorrectly connected. Check the connection of the stove plug and the wall socket. Check if the stove cable or the stove is short-circuited.
Problem: Problems connecting the power device to the stove or power grid.
Solution: Power supply unit incompatible with electrical connection.
Polar Corner - Polar cabinet
Service invoices without a reference from Røros Metall will be rejected. Upon inquiry, the purchase date and serial number of the unit must be stated. This can be found behind the cover or in the air slot on the unit’s front.
The production date of the cooling room is found on the wall inside the cabinet.