Troubleshooting

HOTTAP not turning on
HOTTAP lights but turns off randomly
The water is too cold (I want hotter water)
The water is too hot (I want cooler water)
Replacing Temperature Sensor Guide
How do I clean rust from the HOTTAP battery box?
How to clean the HOTTAP when there's black smoke and burns yellow flame?
How does the display screen work?
HOTTAP lights but only works on the LOW water flow setting
My shower head is leaking and won't turn off
I have leaking water fittings
My HOTTAP won't turn on when set to High Water Flow
Record a video of your HOTTAP for troubleshooting