TROUBLESHOOTING CONTINUED
Problem Cause Correction
Run out of conditioned water
between regenerations.
Improper regeneration. Repeat regeneration, making certain that correct
regenerant dosage is used.
Incorrect regenerant setting. Set P6 to proper level. See salt setting chart.
Incorrect hardness or capacity settings. Set to correct values. See Programming section.
Water hardness has increased. Set hardness to new value. See Programming section.
Restricted meter turbine rotation due to foreign
material in meter.
Remove meter housing, free up turbine and flush with
clean water. Turbine should spin freely; if not, replace
meter. (Contact dealer.)
Regenerant tank overflow. Regenerant valve disc 1 being held open by
foreign matter.
Manually operate valve stem to flush away obstruction.
Valve disc 2 not closed during regenerant draw
causing brine refill.
Flush out foreign matter holding disc open by manually
operating valve stem.
Air leak in regenerant line to air check. Check all connections in regenerant line for leaks. Refer
to instructions.
Improper drain control for injector. Too small of a drain control with a larger injector will
reduce draw rates.
Drain control clogged with resin or other debris. Clean drain control.
AUTOTROL 742/762 Control 255 & Performa Series Valves (263, 268, 268FA) Service Manual • 39
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