Mar Cor Purification MILLENIUM HX

Jennifer GrantNov 16, 2025

What to do if my Mar Cor Purification Water Filtration System RO fails to run?

E
eddie96Nov 16, 2025
If your Mar Cor Purification Water Filtration System's RO fails to run, there are several things you can check: * Ensure the power cord is properly plugged in. * Verify that the line and equipment voltages are compatible. * Use a voltmeter to check the outlet and circuit breaker/fuse panel for power. * Inspect the two fuses at the power cord entry module above the main power switch. * Reset the GFCI if necessary. * Check the switch with a voltmeter and replace it if needed. * Confirm the voltage supply is correct at the pump controller. * Cycle the main power switch by turning it off for 5 seconds and then back on. * Make sure the amber light in the motor controller is lit and not flashing. * Ensure incoming water pressure meets minimum requirements. * Check the pum...

Summary

General Information

The Manual

Provides overview of the manual's purpose, content, and how safety terms are used.

General Notes, Cautions and Warnings

Explains safety terminology (NOTE, CAUTION, WARNING) and general safety guidelines.

Applications

Describes the system's purpose in purifying water for hemodialysis applications.

Intended Use

Specifies the system's intended use as a dialysis accessory for water production.

Contraindications

Lists conditions and uses for which the system is not designed or intended.

Environmental Considerations

Discusses necessary utilities and environmental factors for proper RO operation.

Power Requirements

Details the electrical power requirements for system operation.

Water Supply Requirements

Specifies the minimum pressure and flow rate for the RO feed water.

Drain Requirements

Defines the necessary capacity and flow rate for the RO drain outlet.

Water Purity Requirements

Outlines plumbing material requirements to prevent water contamination.

Temperature Considerations

Explains the impact of feed water temperature on system performance.

Installation and Initial System Start-Up

Installation Considerations

Lists factors to consider before installing the RO unit, including location and utilities.

Installation Procedures

Provides step-by-step instructions for connecting and setting up the RO system.

Product Water AAMI Analysis Procedure

Details the procedure for testing product water quality to meet AAMI/CSA standards.

System Operation

Daily Start-Up

Outlines the daily procedures for starting up the RO system.

Shut-Down Procedure

Provides instructions for properly shutting down the RO system.

Disinfection Indications

Defines the criteria and triggers for performing system disinfection.

Heat Disinfection Procedure (Single Heat)

Step-by-step guide for performing a single heat disinfection cycle.

System Storage

Procedures and recommendations for storing the RO unit.

Storage Heat Procedure

Detailed steps for preparing the RO unit for storage using heat.

Screen Operation and Specifications

Theory of Operation

Explains the fundamental principles and functionality of the RO system.

Fluid Components

Lists the materials used for the RO system's wetted components.

Solenoid Valves

Details the function of solenoid valves in controlling fluid flow.

Check Valves

Describes the function of various check valves in the system.

High-Pressure Pump (HPP)

Explains the role of the high-pressure pump in boosting water pressure.

Sensors and Transducers

Identifies key sensors and transducers for monitoring system parameters.

System Operation Controls

Overview of the OPLC controller and HMI interface for system operation.

Alarm Screens

Lists and describes various alarm conditions and their meaning.

Optional Equipment

Describes optional accessories available to enhance system functionality.

Specifications

Presents detailed technical specifications for the RO system.

RO Feed Water Requirements

Specifies the required quality parameters for the RO feed water.

Flow Rates

Details the product and waste flow rates under specific conditions.

Electrical Requirements

Lists the electrical specifications including voltage, amperage, and phase.

Membrane Performance Characteristics

Provides information on membrane rejection rates and performance.

Environmental Requirements

Specifies the ambient and storage temperature and altitude limits.

Disposal

Provides guidelines for the proper disposal of the product or parts.

Electromagnetic Interference

Details compliance with EMI standards and guidance for use.

Routine Maintenance

Routine Maintenance Overview

Introduces routine maintenance, categorizing procedures by frequency.

Per Treatment Day Maintenance

Lists daily checks and recordings required for system operation.

Weekly Maintenance

Outlines tasks to be performed on a weekly basis for system upkeep.

Monthly Maintenance

Details maintenance tasks to be performed monthly.

Quarterly Maintenance

Specifies maintenance tasks to be performed quarterly.

Annual Maintenance

Lists annual checks including water quality analysis and leak inspection.

As Required Maintenance

Describes maintenance tasks that should be performed based on system conditions.

Specific Maintenance Procedures

Provides detailed instructions for specific maintenance tasks.

Leak Repair

Detailed steps for repairing leaks in threaded and barbed connections.

Sensor Verification

Procedure for verifying conductivity and temperature sensor readings.

Membrane Replacement

Step-by-step guide for replacing the RO membrane assembly.

Cleaning Indications

Identifies signs and conditions that indicate the need for membrane cleaning.

Cleaning Procedure

Step-by-step guide for cleaning RO membranes using chemical solutions.

Chemical Sanitization Procedure

Procedure for chemical sanitization of the RO system.

Product Water Microbiological Testing

Details requirements and procedures for microbiological testing of product water.

Product Water Culture Procedure

Step-by-step guide for performing a product water culture test.

Endotoxin Testing Procedure

Guidance on performing endotoxin testing on product water samples.

Chemical Storage Procedure

Instructions for the safe storage of cleaning and sanitizing solutions.

Auto Run

Explanation of how to set up and use the Auto Run feature.

Troubleshooting

RO Fails to Run

Troubleshooting steps for when the RO unit does not power on or operate.

RO Feed Pressure Alarm

Steps to resolve alarms related to RO feed water pressure issues.

Product Water Quality Alarm

Troubleshooting steps for product water quality alarms.

This Unit Must Stand Upright Alarm

Steps to resolve the alarm indicating the unit is not upright.

Product Water High Temperature

Troubleshooting steps for high product water temperature alarms.

RO Feed Water Quality Alarm

Steps to address alarms related to RO feed water quality.

Pump Pressure Alarm

Troubleshooting steps for pump pressure alarms (high or low).

Product Pressure High Alarm

Troubleshooting steps for high product pressure alarms.

Service Required Component Failure

Lists error codes for detected component failures requiring service.

Product Flow Too Low

Troubleshooting steps for low product flow issues.

Product Flow Too High

Troubleshooting steps for high product flow issues.

Leaks

Guidance on identifying and repairing leaks in the system.

Low Percent Rejection

Troubleshooting steps for issues causing low membrane rejection performance.

TDS;µS Value High

Troubleshooting steps for high TDS/µS readings in product water.

Drawings

Component Identification

Visual identification of key components within the RO system.

Front View Components

Identifies components visible on the front panel of the unit.

Rear View Components

Identifies ports and modules located on the rear of the unit.

Electrical Right Side View

Illustrates electrical components and fuses on the right side.

Electrical Left Side View

Shows electrical components like PCBs, relays, and transformers.

Membrane Assembly

Exploded view showing the membrane housing and end caps.

Top Hydraulic View

Diagram of hydraulic connections and components at the top of the unit.

Center Hydraulic View

Diagram of hydraulic connections and components in the center section.

Main Manifold

Identifies valve bodies, check valves, and sensors on the main manifold.

Lower Hydraulic View

Diagram of hydraulic connections and components in the lower section.

Tank View

Identifies components related to the product water tank and level switches.

Flow Schematics

Illustrations showing water flow paths in different operational modes.

Run Mode Flow Schematic

Shows the water flow path during normal system operation.

Divert to Drain Flow Schematic

Illustrates the water flow path when diverting to drain.

Heat;Chemical Purge Flow Schematic

Shows the water flow path during heat or chemical purge cycles.

Heat;Chemical Recirculation Flow Schematic

Illustrates the water flow path during heat/chemical recirculation.

Electrical Diagram

Depicts the system's electrical wiring and connections.

Maintenance Schedule

Provides a schedule outlining maintenance tasks by frequency.

Spare Parts

Spare Parts List

Comprehensive list of electrical, membrane, and fitting spare parts with P/Ns.

Brand	Mar Cor Purification
Model	MILLENIUM HX
Category	Water Filtration Systems
Language	English

Brand

Mar Cor Purification

Model

MILLENIUM HX

Mar Cor Purification MILLENIUM HX - User Manual

Table of Contents

Questions and Answers