BNT65 Series Valve Operation Manual
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Trouble Shooting
Issue
Possible Cause
Possible Solution
1. No power supply.
Check electrical service, fuse, etc.
A. Unit fails to initiate a
regeneration cycle.
2. Power failure
Reset time of day.
1. By-pass valve open.
Close by-pass valve.
2. Out of salt.
Add salt to tank.
3. Plugged injector / screen
Clean parts.
4. Flow of water blocked to brine tank.
Check brine tank refill rate.
5. Hard water in hot water tank.
Repeat flushing of hot water tank
required.
6. Leak between valve and central
tube.
Check if central tube is cracked or o-ring
is damaged. Replace faulty parts.
B. Water is hard.
7. Internal valve leak.
Replace valve seals, spacer, and piston
assembly.
C. Salt usage is high.
1. Refill time is too high.
Check refill time setting.
1. Iron or scale builds up in line feeding
unit.
Clean pipes.
2. Iron build up inside valve or tank.
Clean control and add resin cleaner to
clean bed. Increase regeneration
frequency.
D. Low water pressure.
3. Inlet of control plugged due to
foreign material.
Remove piston and clean control valve.
1.
Air
in
water
system.
Check well system for proper air
eliminator control.
E. Resin in drain line.
2. Incorrect drain line flow control
(DLFC) button.
Check for proper flow rate.
1. Plugged injector or screen.
Clean parts.
F. Too much water in brine
tank.
2. Foreign material in brine tank.
Clean parts.
1. Drain line flow control is plugged.
Clean parts.
2. Injector or screen is plugged.
Clean parts.
3. Inlet pressure too low.
Increase pressure to 25 PSI.
G. Unit fails to draw brine.
4.
Internal
valve
leak.
Replace seals, spacers, and piston
assembly
H. Valve continuously cycles. 1. Broken gear.
Replace faulty parts.
1. Valve settings incorrect.
Check valve settings.
2. Foreign material in control valve.
Clean control valve.
I. Flow to drain continuously.
3.
Internal
leak.
Replace seals, spacers, and piston
assembly.
