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L&R Quantrex Q140 - User Manual

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Ultrasonic Cleaning System
Tabletop & Recessed Models
Owner/Operator Manual
L&R Manufacturing Company
577 Elm Street, PO Box 607
Kearny, NJ 07032-0607 USA
Tel: 201.991.5330 Fax: 201.991.5870
www.LRultrasonics.com
info@LRultrasonics.com

Questions and Answers

  • S
    Steven HendricksAug 10, 2025
    What to do if my L&R Quantrex Q140 Cleaning Equipment cleaner will not start?
    • B
      Brian HurleyAug 10, 2025
      If your L&R Cleaning Equipment cleaner will not start, make sure it is plugged into a functioning electrical outlet. Also, turn the timer clockwise and ensure the rear power switch is ON. If the fuse is blown, call an authorized service center.
  • J
    jilltorresAug 19, 2025
    Why is there decreased ultrasonic activity in my L&R Quantrex Q140?
    • T
      tiffanysanfordAug 19, 2025
      If your L&R Cleaning Equipment shows decreased ultrasonic activity, ensure the tank was filled with warm tap water plus cleaning solution and has run for 5 to 10 minutes to degas the solution. Also, change the solution if it's dirty. Adjust the solution level to one inch from the top of the tank with the load. Clean the tank with warm water and a non-abrasive cloth if the tank bottom is covered with soil particles. Don't use de-ionized water, as it does not cavitate as well as ultrasonic solutions.
  • P
    Phillip DavenportAug 29, 2025
    Why is my L&R Cleaning Equipment operating but not heating the solution?
    • S
      stephaniemartinAug 29, 2025
      If your L&R Cleaning Equipment operates but does not heat the solution, first, ensure the heat switch is turned ON. If the issue persists, the heater may have malfunctioned, and you should call an authorized service center.

Summary

Safety Precautions and Warnings

To avoid electrical shock

Procedures to prevent electric shock when operating the machine.

CAUTIONS

Important safety warnings and operational guidelines to follow.

Chemicals Harmful To Your Ultrasonic Cleaner

Unpack, Set-Up and Start-Up

Installing the Tank in Your Countertop

Detailed steps for integrating the tank into a countertop.

Interconnecting The Tank and Generator

Steps to connect the tank and generator units.

Start Up

Digital Timer

The Main power on; off switch

Description of the main power control and its function.

Mechanical Timer

Cleaning Methods

Ultrasonic Cleaning Solutions

Trouble Shooting

Cleaner will not start

Troubleshooting steps for when the cleaner fails to power on.

Cleaner operates but does not heat solution

Steps to resolve issues with the heating function.

Cleaner will not drain

Troubleshooting steps for when the drain mechanism is not working.

Decreased ultrasonic activity

Guidance for addressing reduced cleaning effectiveness.

Foil Test

L&R Quantrex Q140 Specifications

General IconGeneral
BrandL&R
ModelQuantrex Q140
CategoryCleaning Equipment
LanguageEnglish

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