Troubleshooting, Cont. Problem Possible Cause Solution
Increase in product TDS See “High product water TDS”
Carbon Post-Filter exhausted Replace Carbon Post-Filter cartridge
Tank and appliance contaminated Replace Pre- and post-Filter, sanitize tank and
appliance
Tank contaminated Sanitize tank
Tank diaphragm slipped Replace tank and postfilter cartridges
Bad tasting water
Carbon Post-Filter cartridge not flushed
completely
Flush one or two tanks of product water
through Post-Filter
Cloudy water Dissolved air in feed water, which is
concentrated in product water
This condition usually clears up eventually as
the condition of feed water changes. Letting
water stand will allow dissolved air to dissipate
Increase in product TDS See “High product water TDS”
Dissolved air in feed water which is
concentrated in product water
Contact your local Hague dealer
Cloudy ice cubes
Certain ice cube shapes trap more dissolved
air than others. The larger, more squared off
cubes are the clearest. Smaller, rounded
surface ice cubes are cloudier
Change ice cube mold shape, make cubes
manually if using automatic. Let water sit to
release dissolved air before freezing
RO membrane is bad Membrane fouled, hydrolyzed, ruptured or
attacked by bacteria
Replace membrane
Pre- or Post-Filter leaks
from housing Deformed or stretched O- Ring or housing not
tight
Replace O-Ring and clean seating surface or
tighten housing
Flow/pressure control
plugged Dirt or debris plugging flow restrictor tube Replace flow restrictor/pressure control
Spigot-valve leaks
through spout Valve seat is defective Repair spigot assembly, P/N 10271
Air gap overflows Debris is lodged in 3/8-inch tube from air gap
to drain
Disconnect the tube from drain saddle and
clean out debris
Handle breaks off Fatigue or misuse Repair spigot assembly, P/N 10271
Spout breaks off Fatigue or misuse Replace spout assembly, P/N 200350
Valve leaks around stem Fatigue Replace stem assembly, P/N 10271
Leak at base of spout Fatigue Repair spigot assembly, P/N 10271
Tank-Loss of Air Tank may lose air over a period of time Adjust air pressure between 5 and 7 PSI
Slipped diaphragm Pressur e exceeds diaphragm strength due to
combination of high feed pressure and low
precharge, or defective tank
Replace tank
WaterMax RO Owner’s Manual 11/11/2009 42