Cosel is one of the world's leading power supply manufacturers offering
high-quality, ultra small size AC-DC power supplies,
DC-DC converters of the state-of-the-art technologies, and effective and
easy-to-use noise filters.

When a failure in products is found, contact our distributors or our sales subsidiaries.

Repair is free of charge when the following cases apply:

(1)

Damages are due to component failure if the product returned is still within the warranty period.

(2)

Damages are due to Cosel's manufacturing and design errors.

Repair is charged when the following cases apply:

(1)

Product's warranty period has expired.

(2)

Electrical or physical damages are caused by customer.

(3)

The product returned is over 6 months from first operation but no problem is found after analysis.

(4)

Damages are due to use outside of our published specifications.

(5)

Damages are caused by Acts of God such as fire, flood, earthquake, etc.

(6)

Time-deteriorating parts such as electrolytic capacitors, cooling fans, etc. are replaced.

(1)

As for the product whose regular warranty period has expired, the repaired products will have a 3-month warranty.

When a failure in products is found, please return the products in the following way:

*Please refer to Sales Network in this catalog.