Look for any loose wires and adjust them to be in a position where they do not cross each other or touch anything that is metal.
Delta touch faucet troubleshooting red light.
If the red flashes are every five seconds it is giving you a warning to change the batteries.
If the light is constant red when the water is off then the faucet shut down and needs new batteries immediately in the meantime water will not flow.
If the batteries are not replaced in time the faucet will still function with manual operation.
Check the color of the flashing light.
If the light is blue it indicates that the system is working properly.
Red light was showing which normally means the batteries are low.
I replaced the batteries answered by a verified plumber.
I have a delta touch faucet.
If it flashes every second the batteries are on the brink of failure.
Steps to troubleshoot your delta touch faucet.
When the light turns slight red it indicates that the batteries are low.
As with any technology issues can arise.
The led indicator light on the base of the faucet will start blinking red when it is time to change the batteries.