SUBSCRIBE TO OUR EMAIL LIST - Be the first to know about exclusive deals, tips, new products & more!
There may be a loose ground connection or bad ground. If you remove the tester off the bracket and look at the green terminal on the back (as pictured below), please make sure the ground wire is secure and making good contact.
Also, check the connection being made at the outlet.
QUESTIONS? CONTACT US!
Chino, CA 91710 USA
View Live Camera
Shop outside the U.S. :Europe | United Kingdom | Asia |Japan