Need help?

We answer the main questions about operations and the electronics, sanitation, comfort and rescue divisions.
For any kind of immediate assistance, you can contact us directly.

COMPANY & WEB

1. Do you have technical service?

Yes, we have a technical service, send us your query by email to info@dahlberg-sa.com, providing the brand, model, photos plus a brief explanation about the topic in question.

2. Do you deliver material on board?

We deliver on board in Mallorca, but you must check availability in the delivery schedule specifying the marina/club and mooring number and we will inform you about the service.

3. I can't find an item from the brands that you carry in the web store, could I acquire it?

Of course, please send us a photo or details of the spare part you need to info@dahlberg-sa.com and we will get back to you with a price and delivery time.

4. Do you ship to the Canary Islands, Ceuta and Melilla?

Yes, we can ship to these areas, but since they have a different customs regime, you must request collection of the shipment through your transport agency.

If you have any questions, please do not hesitate to CONTACT US .

5. Can cash on delivery payments be made?

No, but you can pay either by cash, card (Visa, Maestro and Mastercard) via bank transfer or PayPal.

6. Can the material be returned?

Yes, it is possible. You must first consult with the logistics department , which will tell you how to proceed with the return of the material, providing you with a return number and a prior form that must be duly completed.

7. How should I send the equipment so that you can repair it?

Include all your contact and tax details in the package.

Provide a brief description of the fault or faults.

The shipment must be sent to: DAHLBERG SA Gremi Passamaners,8 Nave 12. 07009 Palma de Mallorca. Spain. Shipping PAID.

Use a transport company such as SEUR, UPS. TNT, FEDEX, DHL. Do not send via the post office, we do not travel to make collections.

As soon as the package arrives we will contact yoVERY IMPORTANT NOTE FOR CUSTOMERS OUTSIDE THE EU CUSTOMS. (CANARY ISLANDS, CEUTA, MELILLA, GIBRALTAR, ETC):
The equipment to be repaired should not be declared with the value of a new one. The customs invoice must be placed on the outside of the package. It must clearly indicate that it is a damaged second-hand equipment to be repaired. Use the harmonized EU customs code 85177090 00 - enter a statistical value of approximately €15. Clearly state that it is faulty and is being returned for repair and has no commercial value. Do not add value for shipping costs or insurance as you are paying the carrier directly. Indicate to the carrier that you are responsible for taxes and duties. If you do not comply with these requirements, customs will hold us responsible and will therefore claim them from us. In this case we will invoice you plus any administrative expenses you may incur.

8. How do you bill your repair services?

Our procedure may be conditioned by the brand of the product, but as a general rule we apply the following:

If you have requested a quote, you will be informed in advance, but if you have not requested a quotation, the repair may be very expensive in relation to the equipment. You will be informed in advance and will be considered within the quotation rate.

Our quotation rate is (€75 + VAT). It includes one hour of work and administrative fees, and if you do not wish to repair the equipment, these will be the fees you must pay.

If you decide to buy new equipment from us instead of repairing it, the minimum rate will not be applied to you and if you have already paid it, we will deduct it. As long as the date of said invoice is not more than 60 days old.

You must pay for the repair before collecting the repaired equipment. Repairs will not shipped be or delivered unless this requirement is met.

1. Frequently Asked Questions?

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4. Frequently Asked Questions?

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ELECTRONICS

1. I have a B&G/Simrad device under warranty, who should I contact?

If you need technical service for your B&G/Simrad system under warranty, you should contact the following email address: service.es@navico.com indicating the problem, the make, model and serial number of your equipment.

2. What can I do to make the probe screen look better?

Some of the reasons for poor water visibility may be due to plankton, algae or high speed. This may cause noise or false echoes to appear on your sonar display.
To improve viewing, we recommend that you adjust the sensitivity of the probe.

3. What are the differences between NMEA 2000 and NMEA 0183?

A NMEA 2000 network is made up of a completely different cable than that used in NMEA183. It is bidirectional and therefore allows multi-transmission of serial data, thus being self-configurable.
The NMEA 2000 or N2K network is made up of a main trunk from which branches come out to the different equipment by mounting “T” connectors at the Backbone points and which also carries power current to the equipment.
NMEA 2000 is much faster than NMEA 0183, and any device can be removed or connected to the NMEA network without needing to reset the rest of the connected devices.
It also allows you to prioritize messages sent to the network depending on their importance.

4. Can you update maps?

Yes, depending on the equipment/brand/model it is carried out differently.
We recommend that you contact us and present your query through info@dahlberg-sa.com

5. Do you have spare parts for mhu 213?

Indeed, we usually have the most requested spare parts for this legendary weather vane in stock.

6. Can you advise us on which sensor/transducer is best for our probe?

Of course, we are happy to help you. In order to offer you an optimal service, we would appreciate it if you could provide us with the brand and model of your probe, as well as its technical characteristics. This will allow us to evaluate the compatibility and performance of your transducer more accurately. precise.

7. The probe shows incorrect bars or data on the display

The most common cause of this failure is usually the transducer or its faulty cable. Check that the face of the transducer is clean of snails.

8. I have no information on the speed of the boat

First of all, check if the system has a single sensor or two. If you have two these are managed through a Gravity Switch.
a) If there is only one sensor: Remove the sensor from the thru-hull and rotate the paddle manually, check if it rotates well and if it shows the speed on the instrument.
If it doesn't check, with a voltmeter, measure between the black wire (negative) and the red wire (positive). The voltage should be between 5 and 12 volts, depending on which system it is, if there is no voltage, a failure in the control unit/processor.
If we have the voltage, measure between the black wire (negative) and the green wire (signal), and rotate the paddle slowly, there the voltage should change from 5-12 Volts to 0 Volts, if the voltage does not change, fault in sensor.
b) System with 2 sensors.
Check the connections on the gravity switch and verify its operation with a multimeter, the switch usually has a manual switch, next, switch to both sides and check.
As a last resort, modify the wiring and make the direct connection between each of the sensors and the CPU in the same way as with a single sensor.

9. Reading in true wind direction is erratic. (TWD)

Check that the apparent wind angle works correctly at all angles, this will determine that there is no problem with the wind sensor or cable.
If it is possible to turn the boat 360 degrees smoothly and control the apparent angle, in the event that one of the phases fails, the error in the reading will be immediately detected.
If the wind angle is correct, check that the compass is working correctly and that the heading is correct, as well as the boat speed, since these influence the TWD.

10. TWS and TW Unstable, but vary from board to board or gybe to gybe.

There is a calibration problem. The manual explains how to calibrate. Don't be afraid to enter 10 degree corrections in the tables, it will help you determine if the corrections positively or negatively affect the readings and it will be easier for you to find the error.
If you need help, do not hesitate to contact us to request our calibration service. Request quote

11. My electronic compass gives me an error

Onboard electronic compasses can be influenced by locally produced magnetic fields; as they are ´hidden´, we may have placed cans, tools, electrical spare parts, batteries, etc. close to it creating the magnetic field.
After checking that there is no source of magnetism near the compass, it is recommended to perform the self-calibration process of the compass, refer to the manual to proceed with it, after calibration and if after this process is carried out, there are still errors, proceed to enter the offset value to adjust the compass reading to the actual value, usually that of the COG when the boat is moving.

1. Frequently Asked Questions?

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2. Frequently Asked Questions?

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COMFORT

1. How to calculate the ideal temperature of my air conditioning?

The air temperature felt by the human body may differ from the actual measured air temperature. Our thermal sensation varies from warm or hot to comfortable and cold. We all want to enjoy a comfortable climate, and humidity plays a decisive role. When humidity is low, we tolerate hot air temperatures even though we sweat, the dry heat causes sweat to evaporate quickly from the skin and creates a cooling effect.
However, this will not happen in a hot and humid climate, when humidity is high, perspiration decreases and, with it, the cooling effect. As a result, we feel the heat even more. The air feels humid and sticky, which can cause circulatory problems and insomnia. Knowing all this, it becomes clear what a good air conditioner should do. Cooling alone is not enough; It is also necessary to reduce humidity to obtain a comfortable climate.
Comfortable climate at 26 ° C
The range of air temperature and humidity is perceived as comfortable.

2. Can I convert my CRX refrigerator into a freezer?

Yes, it is possible. You just need to remove the freezer compartment and then select the desired function on the panel. You can choose to have a larger capacity freezer in the entire available volume, or you can set the appliance to operate completely like a refrigerator.

3. Do you have a refrigerator model with a pull-out door? Or are all models side opening with hinges?

Dometic offers a wide range of door refrigerators, such as the CRD50 and CRX65D models, as well as the Coolmatic CD compressor drawer refrigerators in 20 l and 30 l capacities, available with black, white or stainless steel fronts. The brand also offers models with adjustable door hinges and locks (with the possibility of mounting on either the right or left), ensuring comfortable and practical access.

4. Could the safe be a color other than black?

Dometic offers the possibility of customising the colour of some of its ranges, allowing you to choose between white, black or stainless steel. For more information on prices and available options, please do not hesitate to contact us.

5. Is there any anchorage so that the portable refrigerators do not move?

There is a tie-down kit for some refrigerator models, which consists of two very strong straps with low-profile anchor points. There is also a vehicle mounting kit for CF-CDF-FK models.
Visit our online store .

6. In fixed side-opening refrigerators, could the opening side be modified?

Prior to consulting with the factory, some models allow the opening side to be modified according to your specifications.

1. Frequently Asked Questions?

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4. Frequently Asked Questions?

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RESCUE

1. When is it mandatory to carry a life raft on board?

All recreational vessels authorised to sail more than 12 miles from the coast are required, according to current regulations, to have a life raft on board.

2. How many seats should I choose the life raft for?

The rafts currently sold on the market are for the following number of seats: 4, 6, 8, 10, 12, 16, 20, 25, 30, 50 and 65. Depending on the number of people defined in the office of the boat, it will be provided with the necessary rafts.

3. What is the difference between ISO and SOLAS?

The main difference is the approval of the life raft and its contents. Recreational vessels authorised to sail between 12 and 60 miles must have an approved life raft in accordance with ISO 9650 , which must include a SOLAS B package (without water or food). For vessels sailing from 60 miles, the raft must be approved under SOLAS A , which must contain twice as many fireworks, survival items, water and food.

On the other hand, professional fishing vessels, authorised to sail up to 10 miles, must also have an ISO 9650 approved life raft. The rest of the vessels will require SOLAS B approval up to 60 miles of navigation, and SOLAS A for more distant navigation areas.

4. What is the difference between container and bag, for ISO rafts?

The differences between the two options lie mainly in storage and ease of stowage. In the case of the container, a rigid fibre container is used, while in the case of the bag, a canvas container is used. The choice between one or the other usually depends, in most cases, on the space available on board.

5. What is the difference between Package A and Package B, for SOLAS rafts?

The life raft certification is defined as follows: SOLAS B includes 3 flares, 2 rockets and 1 smoke canister, without water or food supplies. After 60 miles of navigation, the raft must be certified as SOLAS A , which implies double the number of fireworks, as well as the inclusion of survival elements, water and food.

6. What is the best place to place the raft on my boat?

On the deck of the boat, in a place that is accessible and easy to get to. Without obstacles around that make it difficult to reach it, and slow down its start-up.

7. How often is the raft checked?

Life rafts of any type must be checked annually by means of an inflation test. In addition, every five years, a gas cylinder load test is required. While it is true that a raft, properly stored in its container and in an appropriate environment, can remain operational for several years in terms of its materials, it is important to note that the useful life of these is not affected by the passage of time itself, but by its exposure to the elements. However, the contents of the raft do have an expiration date, especially with regard to the first aid kit, batteries and signaling pyrotechnics.

8. How does a raft work, in case of emergency?

The raft will be firmly secured on board in a cleat, before being launched into the water, using the firing line, which is a flat strap that usually measures about 14 meters, of which two protrude to be used for tying. Failure to do so will mean losing the raft at sea. The firing line should not be thrown while the raft is on board, the strap will unroll itself along its entire length when launched into the water and it is not necessary to cut the fastening straps in rigid containers beforehand, the pressure of inflation will break them automatically. Once the raft is in the water, we will fire the firing line by pulling the firing line vigorously. A firing pin will then pierce a membrane of the cylinder and the raft will automatically inflate in less than a minute. Once the raft is inflated, we will collect the water. Once the raft is close to the side of the boat, we will proceed to board it. When all the crew members are on board, we will move away from the boat. On the outside of the float there is a sheath that houses a blunt knife, which should be used to cut the fillet. If the raft is inflated head down, it will be necessary to jump into the water to flip it over. All rafts are provided with a strap to facilitate this process. To flip the raft, locate the CO2 bottle holder, place one foot on it and grab the strap. Standing to leeward will make it easier to flip the raft over.

9. What can break and how to fix it?

In case the floats need to be reinflated due to a leak, the raft has a manual inflation pump inside. The inflation valves, one for each float, are located inside the raft. In addition, a repair kit is included, although its effectiveness is reduced in wet conditions; therefore, we recommend taking an additional quick-drying kit suitable for working in wet conditions. On board the raft, there are plastic pins of different sizes, which are extremely effective. Also, inside the raft, near the entrance, there is a small diameter rescue arch, which should be used as a support in case any crew member needs to swim to the raft.

10. What items should we not forget on board, in case of emergency?

In case of emergency we must take the following elements on board the raft: the ship's distress radio beacon, since this permanently gives the position. The portable VHF radio station will be of great help to us at the time of rescue or to communicate with other boats in the vicinity. It is advisable to always have one or two waterproof bags with emergency material within reach in a known place on the boat. In it we will store everything we consider necessary in case of abandonment: can opener, packaged food, batteries and, above all, water. Life jackets will also be taken on the raft.

11. What is a radio beacon and how does it work?

The radio beacon is an alarm system for emergency cases, which can have a built-in GPS, and in this case it will also transmit our exact location. It can be activated manually, but it will activate automatically when it contacts water and its metal contacts are submerged. Then it will float and begin transmitting an alarm signal, with the data of our location at sea: name of the ship, registration number and the telephone number defined for emergencies. The radio beacon must be located in a clear access, that allows it to be opened without any obstruction, that it does not become trapped and in a place known to everyone. Its elements must be kept in good condition and changed when necessary: ​​the cover every two years and the battery every four. It will be kept away from engine exhaust, powerful heat sources, and chemical or stone storage areas. To use it correctly, it must be tied with the castaway, either in the life raft (never in the container) or in the vest, etc. And it will be activated as soon as possible, manually or automatically when it hits the water. It is not mandatory to carry it on board ships that sail less than 25 miles, but it is an element that can save your life. It is appropriate to learn how to perform a mock test and practice it every two or three months, but especially before going sailing.

12. How often does the zafa expire?

The hydrostatic release is the device that activates the radio beacon, which has a useful life of two years, after which it must be replaced by law. It is also important to remember that the radio beacon battery must be replaced every four years, thus ensuring its correct operation in emergency situations.

13. What material equips the raft?

Depending on its approval, the life raft will include a variety of survival items. In the case of SOLAS A approval, which is the most complete, it will be equipped with the following: floating guide, floating knife, bilge pump, inflation pump, sponges, cape anchor, slings, first aid kit, whistle, hand flares, rockets with parachutes, floating smoke signals, electric torch, thermal blankets, radar reflector, mirror, signal board, fishing tackle, food ration, water, stainless steel cup, lifebuoy, seasickness bags, repair kit, batteries, nipples and bellows.

14. What medications will I find in the medicine cabinet?

The first aid kit should include a number of essential items for the treatment of various conditions, such as: antihemorrhagic (to promote coagulation), antiemetic (to combat vomiting), analgesics, antipyretics (to reduce fever), anti-inflammatories, antimotion sickness (to prevent dizziness), and antiseptics (to cleanse microbial infections). In addition, it should have other basic medical materials, such as: mouth-to-mouth resuscitation cannula, bandages, gauze, cotton, adhesive tape, gloves, dressings, scissors, and adhesive sutures.

15. What is TPA?

The TPA system, or Thermal Protection and Assistance System, ensures the necessary thermal stability during periods of twilight, at night or in adverse weather conditions, thus preventing the risk of hypothermia. This device consists of an aluminized bag designed to reflect the heat radiated by the human body. It is essential that it is kept in optimal condition to ensure its effectiveness and fulfill its protective function.

16. What material is the raft made of?

The material used to manufacture life rafts is essential to ensure their proper functioning. The importance of a high-quality, flexible fabric is crucial to ensure perfect inflation and its ability to withstand the time required to be rescued. To maintain the flexibility of the material, it is not enough to use the best natural rubber; it is also necessary to inflate the raft at least once a year. This makes it possible to verify that, due to temperature changes and the vacuum packaging process, no wrinkles have formed that could lead to cracks or holes. These defects could prove fatal at such a critical moment as inflating the life raft during an evacuation.

17. What is collecting and pouring water?

This system is designed to collect all the rain and moisture that accumulates on the waterproof fabric canopy of the raft, directing it to a receiving channel. From there, the water flows through a connection hole into the interior, where it is safely stored. In addition, the system is removable, making it easy to access the water for consumption in the most comfortable way possible.

18. What is radar reflector?

This device is essential for our location. Its operation does not require any active action, except for its deployment, inflation and attachment to the raft using the retaining rope. The ingenious solution of inserting the metalized fabric reflector inside a watertight rubber balloon prevents any concern about its deterioration or sinking, ensuring that we can be located in any weather condition.

19. What is the light in your life raft?

This is a powerful flashing LED light that provides clear visibility, making it easier to locate the life raft in low light conditions.

20. What is the repair kit?

The repair kit is located on board the raft and is designed to fix minor damage that may occur during use. It includes patches, cones for sealing holes or plugs, sealants, glue, blunt-tipped scissors, a spatula, a paintbrush and instructions for use, among other items.

21. What is the raft knife?

This will be the first item we reach for when boarding the raft and also the first item we will use to free the raft from the boat once activated. It is a stainless steel knife with a floating handle and a rounded tip, designed to prevent damage or punctures to the raft. Its sharp blade is protected by a non-elastic plastic rubber sheath. This knife is secured to the raft by a thin rope, ensuring that it will not be lost at sea and is easily accessible anywhere on the raft where it is required.

22. What is layer anchor?

The cape anchor is designed with a long halyard, the end of which is attached to a rigid ring by means of four attachment points. This ring not only secures the high-strength fabric, sewn in a cone shape, but also provides the necessary drag to slow the movement of the raft. This significantly facilitates search and rescue efforts for shipwrecked sailors, allowing the last known position to be located more accurately. Thanks to its innovative design, the cape anchor prevents the raft from drifting, in addition to collaborating with the stability bags in maintaining position and stability in adverse conditions.

23. What is the shooting head?

This system is responsible for activating the inflation of the life raft. It is essential that the adjustment and condition of the trigger are optimal, to ensure that, when pulling the trigger line (connected to the cable and the activation pin), the shutter diaphragm is correctly pierced, thus allowing the release of the gas that will shape the life raft.

24. What is the correct use of the different types of fireworks?

A life raft can contain a variety of pyrotechnics, including flares, parachute rockets and smoke canisters. It is essential to check these items annually to ensure they are in good condition. They should always be used downwind and in accordance with the manufacturer's instructions. Smoke canisters are intended for use during the day, while flares and rockets are ideal for use at night due to their visibility.

25. Survival keys

We invite you to read our blog article entitled “Keys to survival”.

26. Maritime emergencies

Maritime Rescue has 20 rescue coordination centres and 87 units integrated into its air-sea fleet, always available to provide assistance in case of emergency. We recommend that you always have the following contact information on board:

• Marine band VHF channel 16 and 2,187 kHz medium wave.
• Channel 70 and 2,187 kHz frequencies in MW on LSD.
• Maritime emergency telephone number: 900 202 202.

Keep this data accessible to ensure a fast and effective response in critical situations.

1. Frequently Asked Questions?

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4. Frequently Asked Questions?

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