Troubleshooting
Descaling Agents Usage Guide
VonWater CT910 Series Descaling Guide
"H5" Code
1
Discard wastewater first — every time.
Once the water level reaches the minimum line, please fully discard the left water in the tank first and refill it with fresh tap water to ensure optimal performance.
2
Make sure the filter cartridge is installed correctly
Reinstall the filter: Lift, press firmly into place, and ensure it locks—printed side facing forward. A distinct "click" confirms proper installation.
3
Make sure the accessories installed firmly
Verify tank & pitcher: Lift and reinstall the feed water tank and pure water pitcher to confirm correct positioning.
4
Power cycle
Turn off the system, wait 15 minutes, then power it back on. The machine will restart automatically, and water filtration should resume normally.
5
Contact support
If the issue persists after following all steps, please contact our customer support team for further assistance.
CT910 RO System Not Making Water to Pitcher
CT910 RO System Not Making Water to Pitcher
“Water Exchange 🔄“ icon blinking/display
1
Check power connection
Ensure the device is properly plugged into a working power outlet and the power switch is turned on.
2
Do not fill water directly into the TANK.
Do not fill water directly into the TANK. When the feed water tank indicator "water exchange", please lift the feed water tank, pour out the remain-ing water and refill it with fresh tap water, then put it back onto the machine base.
3
Check for the Feed Water Tank
Check the Magetic Part / White Float at the bottom of the feed water tank
4
Check for the Pure Water Pitcher
5
Contact support
If the issue persists after following all steps, please contact our customer support team for further assistance. Email: Offical@vonwater.com
C5 Countertop Flushing
1
Can't Complete Flushing
During the flush process, if you see any of the following—the progress percentage blinking, the water dispenser button flashing, the pitcher light staying on, or the pitcher being full—press the water dispenser button to dispense water. The flushing progress will then continue.
