www.eu.fishersci.com/fisherbrand
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No Water
upper TDS limit for the
system
steps to remove particles
Pressure at the tap water
too low
Call service to have an external
booster pump installed by a
professional engineer
Solenoid valve RO
dispensing failure
Replace solenoid valve.
Contact a ULS agent
Water flow slow
Pre-filter filter clogged
Replace pre-filters
Reverse osmosis (RO)
membrane clogged
Replace RO membrane
Final filter clogged
Replace final filter
Water tank empty
Wait till the water tank is filled
UP Resistivity
dropped at
dispensing
AccuDuo H Pack and U
Pack cartridges are
exhausted
Replace AccuDuo H Pack
and U Pack cartridges
Resistivity sensor or
meter failure
Replace relevant parts
Water leakage
Leak from connections
Shut off power and water
supply.
Remove system side panels,
turn on water supply and
check leaking points.
Reconnect or replace leaking
parts.