Instructions / Assembly

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3. Filter life reminder (when the faucet is turned on)
• If the lter has not expired, every segment of the ring light will be on. Then, they
will be off one by one, and the remaining segments indicate the life of the lter.
NOTE:
When there are two segments of the ring light on the screen, the life
of the lter remains about 4%-15% (40-150 gallons), which may vary based on
your water conditions. It is recommended that you prepare a replacement lter in
advance.
• If the lter has expired, the ring light will be off. Also, the lter replacement
indicator will turn red and the screen will display “Filter” after ashing 3 times
(Figure 11).
NOTE:
Every time you turn on the faucet, the TDS meter will display the TDS
value of unltered water (“TDS IN”) for the rst 2 seconds. After 2 seconds, it will
display the TDS value of ltered water (“TDS OUT”). (Figure 12)
4. Malfunction display
• E9: If the faucet is powered on and does not receive the correct data for 5
seconds, the screen will display “E9” and then switch to standby mode after 1
minute.
NOTE:
Check the power cord of the faucet to see whether it is plugged in. If
not, plug it in. Check on whether the power cord is damaged. If so, please contact
Waterdrop customer service.
• E6: When the system continuously works for over 40 minutes, it will enter
timeout protection mode. The screen will display “E6”.
NOTE:
Press the power button for 3 seconds. The lter indicator light will turn
off. Then press the power button for 3 seconds to power on the system. It will
a. The lter has not expired. b. The lter has expired.
Switch after
2 seconds
Switch after
2 seconds
The lter replacement indicator turns red.
The screen displays “Filter”.
The ring light is off.
Figure 11
Figure 12