Trouble shooting guide, Problem cause correction – Hydrotech SL948-10-5600 Residential Scaleless System User Manual
Page 11

10
Trouble Shooting Guide
PROBLEM
CAUSE
CORRECTION
1. Filter bleeds scale
A. Bypass valve is open
B. Electrical service to unit has
been interrupted
C. Defective or stripped media bed
D. Quality of water has worsened
E. Filter capacity too small
F. Filter not backwashing enough
G. Excessive water usage -
calendar clock models
A. Close bypass valve
B. Assure permanent electrical service (check fuse, plug
or switch)
C. Replace media
D. Have water sample analyzed to determine any change
E. Replace with larger unit or add another filter
F. Be sure flow control is not clogged or drain line
restricted. Be sure water pressure has not dropped
and that pump has sufficient capacity
G. Increase frequency of regeneration. Make sure there
are no leaks in toilets or sinks
2. Filter fails to regenerate
A. Electrical service to unit has
been interrupted
B. Timer is defective
C. Power failure
D. Timer motor does not run
A. Assure permanent electrical service (check fuse, plug
or switch)
B. Replace timer
C. Reset time of day
D. Replace defective motor
3. Filter regenerates every day
A. Faulty gear train
A. Check the mechanical linkage on the timer control to
eliminate possible binding in the gear train
4. Loss of water pressure
A. Iron or turbidity build-up in filter
B. Filter not regenerating often
enough
C. Not enough water volume or
pressure to backwash properly
A. Clean control and treat bed with Iron Out. Increase
frequency of regeneration
B. Increase frequency of regeneration
C. Correct water supply problem
5. Loss of media through drain
line
A. Air in water system
B. Backwash rate too fast
A. Assure that well system has proper air eliminator
control. Check for dry well condition
B. Check drain flow control for proper flow rates
6. Drain flows continuously
A. Foreign material in control
B. Timer motor stopped or jammed
A. Remove piston assembly and inspect bore. Remove
foreign material and check control in various
regeneration positions
B. Replace timer motor