What does ERR 2 mean on Pentair Water Filtration Systems?
If your system shows 'ERR 2', it means the controller power does not match 50 or 60 Hz. Disconnect and reconnect the power. If the problem persists, obtain an appropriate controller or AC transformer.
General| Category | Water Filtration Systems |
|---|---|
| Type | Control Valve |
| Regeneration Type | Upflow or Downflow |
| Model | Autotrol 255 Logix 740/760 |
| Pressure Range | 20 - 125 psi (1.4 - 8.6 bar) |
| Timer Type | Electronic |
| Brine Line | 3/8" |
Defines the purpose and scope of the manual, including installation, operation, and maintenance procedures.
Tracks revisions and changes made to the document over time.
Provides manufacturer details and the specific product identifier.
Specifies the intended applications and purpose of the device.
Lists and defines common abbreviations used throughout the manual.
Outlines applicable norms and standards the product complies with.
Lists relevant European directives and technical standards.
Lists available product certifications.
Details the steps for requesting technical assistance and support.
States the copyright information for the manual.
Outlines Pentair's limitations of liability regarding product use and warranty.
Explains the use of the Scan & Service mobile application for maintenance.
Explains the meaning of safety pictograms used throughout the manual.
Shows the location of important identification and safety tags on the device.
Details general hazards associated with the device and installation.
Specifies requirements for authorized personnel performing work on the system.
Lists safety precautions related to the device's materials and components.
Covers hygiene measures and sanitization procedures for the system.
Discusses preliminary checks and storage for sanitary purposes.
Details specific hygiene measures, including disinfection recommendations.
Lists the technical data, ratings, and specifications of the valve.
Presents graphs showing flow rate vs. pressure drop for the valve.
Shows dimensioned drawings of the valve's physical outline.
Illustrates the location of various components on the valve assembly.
Explains the different stages of the system's regeneration cycle.
Provides recommendations for system sizing and component selection.
Details valve configurations based on vessel diameter and media volume.
Explains that the controller automatically calculates cycle times.
Presents charts showing injector flow rates based on inlet pressure.
Defines the different salt settings and their corresponding brine usage.
Highlights critical safety warnings to be observed during installation.
Describes suitable environments and conditions for installing the system.
Covers general guidelines for installing the system, including water and media handling.
Details electrical connection requirements and safety precautions.
Provides mechanical installation guidelines, including lubricants and connections.
Discusses considerations for installing the system outdoors, such as moisture, temperature, and wind.
Lists requirements for integrating the system into existing plumbing and electrical setups.
Shows a system block diagram and an example of a configuration.
Explains how to connect the valve to the system's piping.
Details specific instructions for installing a top-mounted valve, including flexible connections.
Illustrates the location of various electrical connections on the controller.
Explains the function and installation of bypass valves for system isolation.
Provides instructions for connecting the drain line, including elevation and air gap requirements.
Details how to connect the overflow line for the brine tank.
Explains how to connect the brine line from the tank to the valve.
Explains the symbols and indicators shown on the controller's display screen.
Describes the function of each button on the controller's interface.
Outlines the steps for basic programming of the controller.
Provides a table detailing parameters, ranges, defaults, and notes for basic programming.
Guides on setting the system size and resin volume.
Explains how to set the current time and adjust for daylight saving.
Details how to set the current day of the week.
Explains how to set the desired time for regeneration.
Describes setting the frequency of regeneration based on days.
Explains setting a calendar override for regeneration.
Details how to set the amount of brine used for regeneration.
Explains how to set and view the system's estimated capacity.
Guides on setting the inlet water hardness for the system.
Introduces the advanced programming features for installers.
Provides a comprehensive chart of advanced programming parameters.
Explains how to program the duration of each regeneration cycle.
Details how to access diagnostic codes and their meanings.
Provides instructions for resetting the controller to its default state.
Explains how to fill, drain, and check the system for leaks.
Details the procedure for activating the softener after initial setup.
Offers extra tips and troubleshooting advice for commissioning.
Explains the importance and methods of sanitizing the water softener.
Discusses why and how to disinfect water softeners.
Provides instructions for using hypochlorite for disinfection.
Briefly mentions electro chlorination as a sanitization method.
Offers recommendations for optimal system operation and salt usage.
Explains how to initiate manual regeneration cycles.
Describes how to manually step through regeneration cycles.
Provides instructions on how to cancel an ongoing regeneration.
Outlines periodic general inspections for the system.
Specifies checking raw and treated water hardness.
Details mechanical checks, leak inspections, and electrical connections.
Explains how to perform a regeneration test and record results.
Provides a schedule for recommended maintenance tasks over several years.
Offers recommendations on spare parts and lubricants.
Emphasizes using genuine Pentair spare parts for replacements.
Lists approved lubricants for maintenance.
Provides general maintenance instructions, including disinfection and testing.
Outlines the initial steps before performing cleaning or maintenance.
Details essential preliminary steps before any cleaning or maintenance.
Step-by-step guide for cleaning the injector components.
Instructions for cleaning the refill controller and its parts.
Explains how to clean the injector screen cap and basket.
Provides steps for cleaning the backwash controller.
Details the procedure for cleaning the air check valve.
Guides on disassembling the valve from the tank for easier access.
Provides instructions for replacing the motor and camshaft.
Explains how to replace the optical sensor and controller module.
Details the process for replacing the top plate and disc valves.
Guides on assembling the valve back onto the tank.
Lists error codes, their causes, and recovery steps.
Provides an exploded view and list of valve components.
Lists optional components and special kits available for the controller.
Details the meter adapter kit and related parts.
Lists various piping bosses and elbows for manifold connections.
Shows bypass body and related connection kits and adapters.
Lists specific kits for valve installation and components.
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