GE GNPR48L Water System User Manual


 
Problem Possible Causes What To Do
Water hard sometimes Using hot water while the water Avoid using hot water during water softening system
softening system is regenerating regeneration because the water heater will refill with hard water.
Control HARDNESS number setting • Press the SET button to enter a new value. Be sure the
too low number shown is the same as the actual grains per gallon
hardness of your water supply. See the Programming
the Control section if a change in the setting is needed.
Grains of hardness in your water
Water hardness can change
over time, especially in well water.
supply have increased To check, have the water tested by a water analysis laboratory
or call your local water department. Adjust the hardness
number setting as needed.
System capacity inputs, Salt per
See Salt per Regen and Capacity section so system will
Regeneration and Capacity set too low
regenerate about every 5 days. See instructions on pages 12
and 13.
If resin bed is fully exhausted, for
Complete “back to back” regenerations. Initiate Regeneration
example, after a malfunction, one
cycle, wait 1 minute, then press REGEN again.
regeneration cycle may not fully
See page 14.
restore capacity
Water feels slippery Absence of hardness minerals • This is normal. Hardness in water gives it the abrasive feel
after installation of you may have been accustomed to. The slippery feel is the
water softening system clean feel of soft water.
Water softening system Water softening system is a • Does not use much salt to regenerate—very efficient.
not using any salt “demand” unit
Possible salt bridge • See the Breaking a Salt Bridge section.
Possible plugged injector and screen See the Cleaning the Injector and Screen section.
Water is blue color Acidic water in copper plumbing • Have the water tested at once.
after water softening
system was installed
Cloudiness on glassware Combination of soft water and • This is called etching and is permanent. To prevent this
(automatic dishwashers) too much detergent from happening, use less detergent if you have soft water.
Wash glassware in the shortest cycle that will get them clean.
Excessive/high level Valve drain hose pinched, • Any restriction in this drain hose may prevent proper
of water in brine tank plugged, elevated too high operation of the injector and screen and reduce or prevent
or otherwise restricted brine draw during regeneration.
Injector or injector screen dirty • See the Cleaning the Injector and Screen section, page 17.
With water pressure to the water softening system off,
remove the injector and injector screen. Thoroughly clean
and flush. Check for any damage. Reassemble to valve
assembly.
Before you call for service…
20
Troubleshooting Tips