The installation is so easy as the product has designed such that it can install easily. Any local electrician in your area can install the stabilizer. Kindly refer to the user guide delivered with the product.
Firstly, keep in mind that the stabilizer has 2 in-built MCBs. One MCB is for an emergency that is changeover MCB. It is always advisable to keep changeover MCB off and use only C-series MCB with stabilizers (mainly C-40 or C-63).
For the replacement, first, you need to send a picture and video of the product display. After that, we will check our software to rectify the problem. In case, the problem can not be rectified, we will provide a replacement.