1、When the controller cartridge progress bar shows red, please replace the cartridge in time.
2、Open the middle gland plate of the exchange core in the direction as shown.
3、Take out the cartridge in the direction of the figure and replace it.
4、Put the replaced cartridge into the corresponding slot and cover the exchange core gland.
5、Open the cartridge setting page of the controller and press and hold the cartridge progress bar for 5 seconds to reset the cartridge balance, and the display shows 100% that the reset is successful.
Note: Steps 1 and 5 are required for CLS4.0S LCD controller, if you purchase other controllers, please refer to the manual of the controller.