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Section 4: Troubleshooting Guide
Trouble Shooting Guide
Possible Cause
Solution
Low Water or No Water
Water supply valve closed
or
RO
tank
valve
closed.
Open
valves
Low home water pressure
Must exceed 40
PSI. If lower,
install booster
pump – see
dealer
Crimped poly tube
Repair or replace
tube
Filters or membrane plugged
Replace
membrane or
cartridges
Tubes installed to wrong fitting
Install tubes per
S.6 (2), (3) and
(4).
Low air charge in tank
Charge to 7-10
psi or replace
tank
Tank full but no water flow
Replace tank –
bladder ruptured
Flow restrictor (DLFK)
Check DLFK and
replace if
necessary
Raw water TDS high
Consult dealer –
may need pre-
treatment
System Runs Continuously
Auto shutoff valve defective
Replace valve
Leaking Joints
Fittings
not
seated
Disconnect
fitting
and
reseat
tube.
See S. 6.
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