GE GNWH38S Installation Instructions Manual page 5

Heavy duty water filtration system
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Troubleshooting Tips
Save time and money! Review the chart below
first and you may not need to call for service.
Problem
Water contains tiny
black particles
Water has air bubbles
and is cloudy
Indicator light on the
timer is flashing
Indicator light on the
timer is not working
Timer not reset
Chlorine taste and /or
odor in the product water
Fittings are leaking
between fitting and head
Water dispenses
very slowly
Fittings are leaking
between fitting and pipe
Canister is difficult
to remove
Leaking between
canister and head
BEFORE YOU CALL FOR SERVICE...
Possible Causes
New filter cartridges contain
activated carbon, which is
a harmless black powder.
Air in system after installation.
Three months usage has occurred.
This is the maximum life of the
filter cartridges.
Timer operating normally.
Batteries may need to be
replaced or they may have been
installed incorrectly.
Reset button has built-in time delay.
The filter cartridge is no
longer removing chlorine
from the water supply.
FXHSC Filter (pleated paper) is
installed, which does not remove
chlorine.
Not enough sealing tape
on fittings.
Fitting has become loose.
The filter has been installed
for too long.
The filter cartridge has
become clogged.
Piping system is not
3/4" copper pipe.
Compression nut has become loose. • Tighten the compression nut with wrench while holding other half of
Inlet water supply still on.
Internal water pressure has not
been relieved.
Seal O-ring is missing or damaged.
Canister is loose.
What To Do
• Turn on a water faucet and allow these harmless carbon particles to
purge from the cartridge. Turn off the faucet when the water is clear.
• Will go away after water runs for a while.
• Replace filter cartridge and batteries in the timer.
• Reset timer by holding down the reset button for 5 seconds.
• Light flashed 5 times when reset. It will not flash again until 3 months
have passed.
• No action required.
• Observe orientation markings on the holder and install correctly.
Replace batteries if they are old.
• Reset timer by holding down reset button for 5 seconds.
• Replace FXHTC filter cartridge.
• If chlorine reduction is desired, change to FXHTC filter cartridge.
• Unscrew fitting from head and remove old sealing tape. Add new sealing
tape to the fitting.
• Install mounting bracket if not used.
• Tighten fittings with wrench.
• A three-month change-out period is recommended.
Replace filter cartridge.
• High sediment levels can cause premature clogging.
Replace filter cartridge.
• This fitting is designed for 3/4" copper pipe only. Consult a licensed
plumber if other piping is used.
fitting with second wrench.
• Shut off inlet water and push red pressure relief button.
• Push red pressure relief button.
• Replace O-ring (Part #HDRING)
• Turn off water supply.
• Press red pressure relief button.
• Tighten canister with canister wrench.
5

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Smartwater gnwh38f

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