All Sanwa products are warranted to be free from defects in workmanship or materials under normal use for the period of one (1) year from the date of purchase.
Warranty service can be obtained by contacting us here. Please include your name and contact information, and as much detail as possible about the problem(s) you are experiencing with your product.
PLEASE DO NOT SEND Y0UR METER TO US UNTIL YOU HAVE FIRST OBTAINED A RETURN MATERIALS AUTHORIZATION (RMA #) FROM SANWA-AMERICA.
Prior to requesting warranty service, please check the following:
1) Condition/charge of the battery.
2) Polarity of the installation.
3) Condition of test leads/clips.