To check for this kind of leak start by drying up all the standing water on top of the sink.
Wall mounted kitchen faucet leaking.
With this issue dirt and debris have collected in the valve.
Continuous leak when faucet is on or off.
Using a wrench or pliers loosen and unscrew the valve retaining nut and remove the nut.
Description of the leak.
Leaking faucet if the faucet is leaking or continuously running after being fitted it s probably because the washer is missing.
Causes of the leak.
Turn off the water to the shower.
Unscrew the set screw on the handle and pull off the handle.
This troubleshooting document relates to centerset single hole wall mount and widespread bathroom sink faucets.
With this leak water will leak from the area where the handle attaches to the faucet body after the water has been turned off or while the faucet is still on.
After you shut off the water here s a rundown of the procedure.
If the washer is damaged or missing this will make the tap unable to switch off.
The washer is a piece of rubber which is used to stop the flow of water and to seal the faucet.
When the faucet is on or off water leaks from under the handle area.
Then turn the water on both handles if it s a double handle sink and look carefully for water seeping around the base of the faucet.
Pull out the valve using pliers to grip the valve stem if it doesn t come out easily.