Maintenance and Product Service
Customer Assistance
Maintenance
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Very little maintenance is required to keep the inverter operating properly. The exterior of the unit should be cleaned periodically with a damp cloth to prevent accumulation of dust and dirt. At the same time, tighten the screws on the DC input terminals. Be sure vents and fans are free of dust or debris.
Product Service
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If you have any questions about operation or installing your new CobraMarine™ product, or if you are missing parts…
Please call Cobra® first! DO NOT RETURN THIS PRODUCT TO THE STORE! See customer assistance on page A1.
If your product should require factory service, please call Cobra® first before sending your power inverter. This will ensure the fastest
It will be necessary to furnish the following to have the product serviced and returned.
1.For Warranty Repair include some form of
it cannot be returned.
2.Send the entire product.
3.Enclose a description of what is happening with the power inverter. Include a typed or clearly printed name and address of where the power inverter is to be returned.
Product Service
Customer Assistance
4.Pack power inverter securely to prevent damage in transit. If possible, use the original packing material.
5.Ship prepaid and insured by way of a traceable carrier such as United Parcel Service (UPS) or First Class Mail to avoid loss in transit to:
Cobra® Factory Service
Cobra® Electronics Corporation
6500 West Cortland Street
Chicago, Illinois 60707 USA.
6.If the power inverter is in warranty, upon receipt of your power inverter, it will either be repaired or exchanged depending on the model. Please allow approximately 3 – 4 weeks before contacting Cobra® for status. If the power inverter is out of warranty, a letter will automatically be sent informing you of the repair charge or replacement charge.
If you have any questions, please call
20 English | Nothing comes close to a Cobra® 21 |