What to do if the buttons on the Xiaomi Instant Hot Water Dispenser are unresponsive?

If the buttons on the Xiaomi Instant Hot Water Dispenser are unresponsive, please follow these steps to troubleshoot the issue:
1. First, ensure that the power cord is securely connected and that the outlet is functioning properly;
2. Next, check if the child lock is activated. The water dispenser's buttons will not function unless the child lock is unlocked;
3. Finally, press each button individually to see if they produce a sound or response. If none of the buttons produce a sound or the device remains unresponsive, it is advisable to contact the local after-sales service center for further inspection and assistance.