Hydrotech 6700 XTR Valve Downflow Automatic Water Softeners Service Manual - Manual (Page 30)

Page 30
Troubleshooting - Control Valve
Problem Cause Correction
1. Water conditioner fails to
regenerate.
A. Electrical service to unit has
been interrupted
A. Assure permanent electrical service
(check fuse, plug, pull chain, or switch)
B. Timer is defective. B. Replace timer.
C. Power failure. C. Reset time of day.
2. Hard water. A. By-pass valve is open. A. Close by-pass valve.
B. No salt is in brine tank. B. Add salt to brine tank and maintain
salt level above water level.
C. Injector screen plugged. C. Clean injector screen.
D. Insufficient water flowing into
brine tank.
D. Check brine tank fill time and clean
brine line flow control if plugged.
E. Hot water tank hardness. E. Repeated flushings of the hot water
tank is required.
F. Leak at distributor tube. F. Make sure distributor tube is not
cracked. Check O-ring and tube pilot.
G. Internal valve leak. G. Replace seals and spacers and/or
piston.
3. Unit used too much salt. A. Improper salt setting. A. Check salt usage and salt setting.
B. Excessive water in brine tank. B. See problem 7.
. Loss of water pressure. A. Iron buildup in line to water
conditioner.
A. Clean line to water conditioner.
B. Iron buildup in water
conditioner.
B. Clean control and add mineral cleaner
to mineral bed. Increase frequency of
regeneration.
C. Inlet of control plugged due
to foreign material broken loose
from pipes by recent work done on
plumbing system.
C. Remove piston and clean control.
5. Loss of mineral through drain
line.
A. Air in water system. A. Assure that well system has proper
air eliminator control. Check for dry well
condition.
B. Improperly sized drain line flow
control.
B. Check for proper drain rate.
6. Iron in conditioned water. A. Fouled mineral bed. A. Check backwash, brine draw, and
brine tank fill. Increase frequency of
regeneration. Increase backwash time.
7. Excessive water in brine
tank.
A. Plugged drain line flow control. A. Clean flow control.
B. Plugged injector system. B. Clean injector and screen.
C. Timer not cycling. C. Replace timer.
D. Foreign material in brine valve. D. Replace brine valve seat and clean
valve.
E. Foreign material in brine line
flow control.
E. Clean brine line flow control.