Pentair 255-742-075-844, Руководство по обслуживанию

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System Troubleshooting
Problem Cause Correction
Brine tank overflow. Uncontrolled brine refill flow rate. Remove brine control to clean ball and seat.
Air leak in brine line to air check. Check all connections in brine line for leaks. Refer to
instructions.
Drain control clogged with resin or other debris. Clean drain control.
Flowing or dripping water
at drain or brine line after
regeneration.
Valve stem return spring weak. Replace spring. (Contact dealer.)
Debris is preventing valve disc from closing. Remove debris.
Hard water leakage after
regeneration.
Improper regeneration. Repeat regeneration after making certain correct
regenerant dosage was set.
Leaking of external bypass valve. Replace bypass valve. (Contact dealer.)
O-ring around riser pipe damaged. Replace o-ring. (Contact dealer.)
Incorrect capacity. Verify appropriate regenerant amount and system
capacity. (Contact dealer.)
Control will not draw brine. Low water pressure. Make correct setting according to instructions.
Restricted drain line. Remove restriction.
Injector plugged. Clean injector and screen.
Injector defective. Replace injector and cap. (Contact dealer.)
Valve disc 2 and/or 3 not closed. Remove foreign matter from disc and check disc for
closing by pushing in on stem. Replace if needed. (Contact
dealer.)
Air check valve prematurely closed. Put control momentarily into brine refill, C8. Replace or
repair air check if needed. (Contact dealer.)
Control will not regenerate
automatically.
AC adapter or motor not connected. Connect power.
Defective motor. Replace motor. (Contact dealer.)
Control regenerates at wrong
time of day.
Controller set incorrectly. Correct time setting according to instructions.
Valve will not draw brine. Low water pressure. Set pump to maintain 20 psi at softener.
Restricted drain line. Change drain to remove restriction.
Injector plugged. Clean injector and screen.
Injector defective. Replace injector. (Contact dealer.)
Air check valve closes prematurely on 255 valve
or brine pickup tube.
Put control momentarily into brine/slow rinse, C2.
Replace or repair air check if needed. (Contact dealer.)
System using more or less salt
than regenerant setting.
Foreign matter in valve causing incorrect flow
rates.
Remove brine control and flush out foreign matter.
Advance control to brine/slow rinse, C2 to clean valve
(after so doing position control to "fast rinse, C7” to
remove regenerant from tank).
Intermittent or irregular
regenerant draw.
Low water pressure. Set pump to maintain 20 psi at conditioner.
Defective injector. Replace injector. (Contact dealer.)
No conditioned water after
regeneration.
No regenerant in regenerant tank. Add regenerant to regenerant tank.
Injector plugged. Clean injector and screen.
Air check valve closes prematurely. Put control momentarily into brine/slow rinse, C2.
Replace or repair air check if needed. (Contact dealer.)
Backwashes or purges at
excessively low or high rate.
Incorrect drain controller used. Replace with correct size controller. (Contact dealer.)
Foreign matter affecting valve operation. Remove drain controller and clean ball and seat.
No water flow display when
water is flowing on 760
controller.
Bypass valve in bypass. Shift bypass valve to not-in-bypass position.
Meter probe disconnected or not fully connected
to meter housing.
Fully insert probe into meter housing.
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.)
TROUBLESHOOTING CONTINUED
38 • AUTOTROL
742/762 Control 255 & Performa Series Valves (263, 268, 268FA) Service Manual