If you wish to reset your R PiHome to default settings, please follows the steps:
Open the terminal or connect over SHH and type line by line:
sudo wget www.raspberry-solutions.com/upd/reset.zip
unzip -u reset.zip
sudo rm -f reset.zip
sudo chmod 777 reset.php
Then log-in into the web interface and open url address: YOUR_RASPBERRY_PI_IP/reset.php
Important: This will delete all multitasks, logs, GPIO settings, temperature history and schedules.