One of the problems that the chiller emits beeps can be that the water is not circulating through the tube but that the water passage is obstructed,
Please check that the inlet and outlet hoses are not bent, If still beeps another problem is the temperature is not well configured, you can load the default settings
In the next video you can see all the procedure.
To Restore to factory setting follows these steps:
Step 1
Turn off the chiller, then press up and down buttons at the same time, and turn on the chiller
Step 2
When shows a rE message release all buttons (Up and down) and the chiller must load default settings
Step 3
To confirm the chiller load the maximun value of temperature 30° and minimun value of 20° enter the configuration pressing up and "SET" buttons at the same time
Step 4
When the 0 number shows release the buttons and with the up button change to 8 number and confirm with" SET" button
Step 5
To see if the maximun temperature by default is set to 30° select F8, for the minimun value select F9 and confirm with "SET" button