Pentair AUTOTROL 460i

Questions and Answers

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Kristina SchmidtAug 17, 2025
What to do if the Pentair Control Systems timer is stalled in regeneration?
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  Michael PorterAug 17, 2025
  If your Pentair Control Systems timer is stalled in the regeneration cycle, there are several potential causes. It could be due to a dead motor, a motor running backwards, lack of electric power at the outlet, a broken gear, a defective switch, an air leak in brine connections, binding of the camshaft, water pressure exceeding 125 psi during regeneration, or a defective circuit board. Addressing these issues involves actions like replacing the timer, checking junction points for air leaks, removing obstructions from valve discs or the camshaft, installing a pressure regulator or repairing the outlet.
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Brian CurtisAug 20, 2025
Why does my Pentair AUTOTROL 460i clock not show the correct time?
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  Kimberly WeberAug 20, 2025
  If your Pentair Control Systems clock isn't displaying the correct time, it might be because the outlet is operated by a switch, the voltage or frequency is incorrect, or there have been power outages. Try using an outlet not controlled by a switch, replacing the timer with one of the correct voltage and frequency, or resetting the clock.
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Jesse FosterAug 22, 2025
How to fix Pentair AUTOTROL 460i regenerating at the wrong time?
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  Carmen BoydAug 22, 2025
  If your Pentair Control Systems control regenerates at the wrong time of day, it's likely due to power outages or the clock being set incorrectly. To resolve this, reset the clock to the correct time of day.
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Stacy MeyerAug 26, 2025
Why do I run out of soft water with Pentair AUTOTROL 460i Control Systems?
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  Mr. Christopher MeyerAug 26, 2025
  If your Pentair Control Systems are running out of soft water between regenerations, it could be due to several reasons: improper regeneration, fouled softener resin, incorrect salt setting, incorrect hardness or capacity settings, increased water hardness, restricted meter turbine rotation, or excessive water usage below 1/5 gallon per minute. You can try repeating the regeneration with the correct salt dosage, using a resin cleaner, setting the salt control to the proper level, correcting the hardness or capacity settings, adjusting the hardness setting, freeing up the turbine and flushing with clean water, or repairing leaky plumbing and fixtures.
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Monique Wong DVMAug 28, 2025
What to do if Pentair AUTOTROL 460i won't regenerate?
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  Joseph SmithAug 28, 2025
  If your Pentair Control Systems control will not regenerate automatically or when the button is pressed, possible causes include the electric cord being unplugged, no electric power at the outlet, a defective motor, a broken gear, binding in the gear train, or a defective switch. Suggested solutions include connecting the power cord, repairing the outlet, or replacing the timer.
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Daniel KrauseAug 31, 2025
How to troubleshoot Pentair Control Systems clock not showing time?
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  Brittany WashingtonAug 31, 2025
  If your Pentair Control Systems clock does not display the time of day, the issue might stem from an unplugged transformer cord, lack of electric power at the outlet, a defective transformer, or a defective circuit board. Try connecting the power, repairing the outlet, replacing the transformer, or replacing the timer.
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John BurchSep 3, 2025
Why Pentair AUTOTROL 460i Control Systems regenerates only when button is pressed?
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  Nicole NelsonSep 3, 2025
  If your Pentair Control Systems control will not regenerate automatically but will regenerate when the button is pressed, it could be due to an inoperative water flow display, a defective circuit board, or incorrect hardness and capacity settings. You can refer to the troubleshooting steps for 'No water flow display when water is flowing', replace the timer, or set the hardness and capacity settings to the correct values.
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Donald WoodsSep 5, 2025
What to do if Pentair AUTOTROL 460i time display is incorrect?
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  ngutierrezSep 5, 2025
  If the Pentair Control Systems time display shows something other than the time of day, it could be due to electrical interference or a defective circuit board. Try disconnecting power to the unit, restoring power, and resetting the time of day display, or replacing the timer.
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cassandralewisSep 8, 2025
Why does Pentair AUTOTROL 460i have continuous regeneration?
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  Victoria MeyersSep 8, 2025
  If your Pentair Control Systems has continuous regeneration where the camshaft doesn't stop at the end of regeneration, it could be due to a broken switch activator on the gear or a defective switch. In either case, you should replace the timer.
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Kimberly RothSep 12, 2025
What causes no water flow display on Pentair AUTOTROL 460i?
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  Edward SantosSep 12, 2025
  If there's no water flow display when water is flowing in your Pentair Control Systems, it could be due to the bypass valve being in bypass, the meter probe being disconnected or not fully connected, restricted meter turbine rotation, a defective meter probe, or a defective circuit board. Try shifting the bypass valve, fully inserting the probe, removing the meter housing to free up the turbine and flush with clean water, or replacing the timer.

Summary

460 i Electronic Demand System

Memory Retention

Stores data during power outages using NOVRAM, resuming operation seamlessly.

Self-Adjusting Reserve

Calculates and adjusts reserve capacity for optimal economy and regeneration.

High Water Usage

Reacts to sudden high usage by anticipating a second day of high demand.

Low or No Water Usage

Recognizes and ignores days of very low usage for accurate average calculation.

Design Reliability

Features solid-state electronics and a simple metering system for long, trouble-free performance.

Programming the 460 i

Time of Day Setting

Set the current time to the closest hour using the TIME SET button.

Hardness Setting

Set the water hardness from 1 to 99 GPG using the TIME SET button.

Capacity Setting

Set the capacity from 1 to 99 kilograins using the TIME SET button.

Control Features 460 i

Time Display

Displays the current time of day; PM light indicates PM hours.

Flow Indicator

Flashes when service water flows, indicating proper meter operation.

Guest Cycle

Initiates an extra regeneration cycle by pressing the pointer knob.

Manual Regeneration

Regeneration Steps

Details the manual regeneration steps: Backwash, Brine/Slow Rinse, Brine Refill, Fast Rinse/Refill.

Programming the 460 TC

Time of Day Setting

Set the current time to the closest hour using the TIME SET button.

Days Setting

Set the number of days between regenerations, from 1 to 30.

Clock Setting

Select between standard AM/PM or 24-hour clock format.

Adjustment of Brine Control

Salt Dial Setting

Adjust the pointer knob to set the amount of brine used per regeneration cycle.

Troubleshooting

Clock Display Issues

Addresses problems like no time display, incorrect time, or time advancing incorrectly.

Water Flow Display Issues

Covers no water flow display when water is actually flowing.

Regeneration Timing Issues

Solves issues where control regenerates at the wrong time of day.

Timer Stalled;Continuous Regeneration

Addresses timer stalling or continuous regeneration cycles.

Regeneration Failure

Troubleshoots controls that won't regenerate automatically or when the button is pressed.

Run Out of Soft Water

Diagnoses and resolves issues related to running out of soft water between regenerations.

Pentair AUTOTROL 460i Specifications

General

Model	AUTOTROL 460i
Category	Control Systems
Control Type	Microprocessor
Operating Pressure	20 - 125 psi (1.4 - 8.6 bar)
Operating Temperature	34° - 120° F (1° - 49° C)
Metered or Timed	Metered or Timed
Programming	User-Programmable
Display	LCD