26
decrease/ a mention of
or
Ultra-Purificatio
n cartridge
replace
Ultra-pure water index decreased or a mention of
MF
replace
Product water dispense decrease
，
or a mention of
UV
replace
A mention of
Final filter
replace
Replace at same time with ultra-purification cartridge
6.3 Maintenance works and service works
Be sure to enter the service setting by press” menu” to clear the consume time of
cartridges used.
Pre-filter cleaning
Pre-filter cleaning period is about 180 days or clean it when the amount of feed water is
obviously decreased.
Be sure to have turned off the feed water.
Uncover the lid of pre-filter. Take careful the seal O-ring. As is shown below:
Take the filter core out and washed with flowing pure water or brush. Pay attention to the
seal o-ring which should be attached to the filter.
After cleaning, put the filter core to the original place and tighten the lid. Ensure that the
core and seal o-ring in the lid.
Once the filter core is corroded, please replace the pre-filter. How to installation, you can
refer to Chapter 4
6.3.1 Into the maintenance settings