In the case of a faulty product during the agreed TSUNESS warranty period, please report defective products with a brief error description to our service hotline for registering and send your warranty card to our service department by fax/email to process the warranty claim. You may also contact your dealer (TSUNESS authorized dealer or distributor) or installer if your unit is defective or faulty.
To make a claim under the warranty periods of TSUNESS, you need to provide us the following information and documentation of the faulty product:
Product Model No. and serial number
Error message on LCD screen (if available) and additional information regarding the fault/error.
Detailed information regarding the entire system (modules, circuits, etc.)
Detailed information of previous claims (if applicable).
The warranty card for the limited warranty
Proof of proper installation by a specialist company.