Humminbird PIRANHAMAX15, PIRANHAMAX20 Troubleshooting, Nothing happens when I turn the unit on

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If your boat remains in the water for long periods of time, marine growth can reduce the effectiveness of the transducer. Periodically clean the face of the transducer with liquid detergent.

If your boat remains out of the water for a long period of time, it may take some time to wet the transducer when returned to the water. Small air bubbles can cling to the surface of the transducer and interfere with proper operation. These bubbles dissipate with time, or you can wipe the face of the transducer with your fingers after the transducer is in the water.

Never leave the unit in a closed car or trunk—the extremely high temperatures generated in hot weather can damage the electron- ics.

Troubleshooting

Do not attempt to repair the PiranhaMax yourself. There are no user-serviceable parts inside, and special tools and techniques are required for assembly to ensure the waterproof integrity of the housing. Repairs should be performed only by authorized Humminbird technicians.

Many requests for repair received by Humminbird involve units that do not actually need repair. These units are returned “no prob- lem found.” If you have a problem with your PiranhaMax, use the following troubleshooting guide before calling the Customer Resource Center or sending your unit in for repair.

1. Nothing happens when I turn the unit on.

Check the power cable connection at both ends. Be sure the cable is connected correctly to a reliable power source — red lead to positive, black lead to negative or ground. Ensure the power available is between 10 and 20 VDC. If the unit is wired through a fuse panel, ensure the panel is powered. Often accessory fuse panels are controlled by a separate switch or the ignition switch.

Also, often a fuse can appear to be good when it is not. Check the fuse with a tester or replace it with a fuse known to be good.

Check the power connection to the PiranhaMax. It is possible to force the power cable connector into the cable holder incorrectly. If the connector is reversed, the unit will not work. Examine the contacts on the back of the unit to ensure there is no corrosion.

2. There is no transducer detected.

The PiranhaMax has the ability to detect and identify that a transducer is connected. When powering on, if a message indicates “transducer not connected”, make sure that an appropriate transducer connector is plugged into the unit. In addition, inspect the transducer cable from end to end for breaks, kinks, or cuts in the outer casing of the cable. Also make sure that the transducer is fully submerged in water. If the transducer is connected to the unit through a switch, temporarily connect it directly to the unit and try again. If none of these actions identifies an obvious problem, the transducer itself is probably at fault. Be sure to include the transduc- er if returning the unit for repair.

3. There is no bottom reading visible on the display.

If the loss of bottom information occurs only at high boat speeds, the transducer needs adjusting – see your Piranha Installation Guide for details. Also, in very deep water, it may be necessary to increase the sensitivity setting manually to maintain a graphic depiction of the bottom. If you are using a transducer switch to connect two transducers to the PiranhaMax, make sure that the switch is in the correct position to connect a transducer that is in the water. (If a trolling motor transducer is selected and the trolling motor is out of the water, no sonar information appears.) If none of these actions solves the problem, inspect the transducer cable from end to end for breaks, kinks, or cuts in the outer casing of the cable. If the transducer is connected to the unit through a switch, tem- porarily connect it directly to the unit and try again. If none of these actions identifies an obvious problem, the transducer itself may be at fault. Be sure to include the transducer if returning the unit for repair.

4. When in very shallow water, I get gaps in the bottom reading and inconsistent digital depth indication.

The PiranhaMax will work reliably in water 3 feet (0.9 meter) or deeper. Remember that the depth is measured from the transducer, not from the surface of the water.

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Contents Dual Beam Sonar Thank YouPiranhaMax Sonar Technology Single Beam SonarWhat You See On the Display Powering on and OFFMenu System Depth Range Chart SpeedLight SensitivityFilter Fish AlarmDepth Alarm SetUp MenuFish ID+ SetUp Menu Contrast SetUp MenuBottom View SetUp Menu Maintenance Battery Alarm SetUp MenuLanguage SetUp Menu International Only Units SetUp Menu International OnlyThere is no bottom reading visible on the display TroubleshootingNothing happens when I turn the unit on There is no transducer detectedGet gaps in the reading at high speeds My unit loses power at high speedsInternational Purchases Contact Humminbird Technologie du sonar PiranhaMax MerciSonar à faisceau simple Représentations à lécran Sonar à double faisceauMise en marche et arrêt Éclairage Le système de menusSensibilité Échelle de profondeur Alarme didentification de poissonVitesse de défilement Contraste du menu Réglages Alarme de profondeurFiltre Menu RéglagesAffichage du fond du menu Réglages Fish ID+ du menu RéglagesAlarme dalimentation faible Lappareil ne détecte pas le transducteur EntretienDépannage Il ne se passe rien quand je mets le système sous tensionAchats internationaux Communications avec Humminbird
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PIRANHAMAX10, PIRANHAMAX15, PIRANHAMAX20 specifications

Humminbird's PIRANHAMAX series, specifically the PIRANHAMAX 20 and PIRANHAMAX 15, represents a captivating blend of technology and practicality designed for fishing enthusiasts. These fish finders are renowned for their user-friendly features and powerful imaging capabilities, making them ideal for both novice and experienced anglers.

Starting with the PIRANHAMAX 20, this device boasts a 4.3-inch color display that ensures clear visibility under various lighting conditions. It comes equipped with Humminbird's DualBeam PLUS sonar technology, providing anglers with versatile beam angles for targeting fish at varying depths. With a maximum depth capability of up to 600 feet, users can explore deeper waters and increase their chances of finding the perfect catch. The built-in fish alarms and GPS capabilities allow for real-time tracking of fish locations, enhancing the fishing experience significantly.

The PIRANHAMAX 15, on the other hand, features a slightly smaller yet impressive 3.5-inch color display. It also utilizes DualBeam sonar technology but features a narrower beam angle, making it perfect for shallow waters and pinpointing fish hiding in structured environments. This device is tailored for those who prefer simplicity without sacrificing functionality. It also enables anglers to easily identify bottom contours and track their fishing performances through a user-friendly interface.

Both models are designed with portability in mind, making them suitable for various boating styles and transport setups. They are equipped with simplified menus and controls, allowing anglers to quickly adapt and operate the devices without the need for extensive instruction.

In addition to their outstanding imaging capabilities, both the PIRANHAMAX 20 and 15 are weather-resistant, ensuring durability against the elements encountered on the water. Their lightweight construction also makes them easy to mount or carry, catering to the needs of mobile fishermen.

In summary, Humminbird’s PIRANHAMAX 20 and 15 offer essential features, advanced sonar technologies, and user-friendly interfaces that cater to a wide array of fishing preferences. Whether you are exploring deep lakes or cruising coastal shores, these devices deliver reliable performance and valuable insights to enhance your angling adventures. With their sleek designs and high-quality imaging, the PIRANHAMAX series stands as a reliable companion for any fishing trip.
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