Troubleshooting - Hague WaterMax H3500 Owner's Manual And Installation Manual

Troubleshooting

Problem
High product water TDS
No water or not enough
water
Low flow rate from
spigot
WaterMax RO Owner's Manual
Possible Cause
Membrane expended
Membrane attack by chlorine
Check valve failure (H6000 & LC100P Only)
Insufficient brine flow rate-screen of flow
restrictor pressure/control plugged (H6000 &
LC100P Only)
A clogged pre-filter creates pressure drop
and low brine flow
Feed pressure too low
Insufficiently flushed Carbon Post-Filter
cartridge
Leaking permeate pump diaphragm
Feed water shut off
Low feed pressure
A pre-filter cartridge clogged
Screen in flow restrictor/pressure control
plugged (H6000 & LC100P Only)
Membrane fouled
Product check valve stuck
Tank overpressurized
Over use
Tank valve off
Stalled permeate pump
Low water production
Tank lost air precharge
Tank diaphragm slipped
Carbon Post-Filter clogged
Tank valve partially closed
Solution
Replace Membrane module. Contact your
local Hague dealer
Precarbon may be exhausted. Replace with a
new cartridge and a new membrane
Replace check valve. Contact your local
Hague dealer
Replace or flush out screen and /or flow
restrictor/pressure control. Contact your local
Hague dealer
Replace the clogged pre-filter cartridge with a
new one
See Filter Specifications chart to verify
minimum feed pressure for your model
Flush Carbon Post-Filter with product water.
One or two tanks should be sufficient
Contact your local Hague dealer
Turn on your feed water valve
See Filter Specifications chart to verify
minimum feed pressure for your model
Replace the clogged pre-filter cartridge with a
new one
Replace or flush out screen and/or flow
restrictor/pressure control. Contact your local
Hague dealer
Determine and correct cause; replace
membrane. Contact your local Hague dealer
Replace check valve
Adjust air pressure between 5 and 7 psi
(34 and 48 kPa)
Contact your local Hague dealer
Open tank valve
Confirm both product and reject flow into and
out of permeate pump. Replace pump if
necessary
See "No water or not enough water"
Adjust air pressure between 5 and 7 psi
(34 and 48 kPa) valve stem and tighten
Replace tank
Replace Carbon Post-Filter cartridge
Open tank valve
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