Improper regeneration
Leaking bypass valve
O-ring around riser tube damaged
Incorrect salt type or use of grid plate (salt shelf) in brine tank
Hard water leakage during service
Flowing or dripping water Drain valve (2 or 6) or brine valve (1) at drain line or brine line held open by foreign matter
after regeneration Weak valve stem return spring on top plate
Resin in valve
Possible Causes
Problem

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What To Do

Manually operate cam gear to flush out foreign matter holding disc open.

Replace spring.

Clean valve and backwash control.

Repeat regeneration, making sure the correct salt dosage is used.

Replace bypass valve.

Replace O-ring.

Do not use block salt or grid plate (salt shelf) in brine tank.

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GE GNPR40L, GNPR48L installation instructions What To Do