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7.3 The pure water conductivity is too high
Description
solution
Feed water conductivity is high
Choose RO-2 module
RO exhausted, showing RO or DS alarm
Replace the RO membrane
New reverse osmosis membrane with
remaining protection liquid.
Press
“
Flush/
▼ ”
button to rinse the
membrane
Internal component failure
Contact Technical service
7.4 Ultra-pure water resistivity is too low
Description
Solution
Purification cartridge is exhausted
Replace the Purification cartridge
The unit display conductivity value
Switch the unit mode to resistivity
Purification cartridge installation error
Make sure the purification cartridge
installation OK.
Internal component failure
Contact Technical service
7.5 The flow rate of ultra-pure water is too low
Description
Solution
System is in recycling mode
Wait for the producing water reaching preset
quality
Ultra-pure water resistivity is too low
Adjust the ultra-pure water quality to the
requirement
Ultra-pure water resistivity value is setting
too high
Adjust the ultra-pure water quality to the
requirement
Supply pipe connection error
Confirm the RO OUT of water tank
connecting to the RO IN of main unit
Internal component failure
Contact Technical service