50097-819 Rev B.indd
Contents
1. 5 6227 9698 Dongcheng District Beijing China 100010 Tel 1 800 444 4729 Tel 31 45 5 471 471 Fax 65 6225 6848 Tel 8610 6567 8446 Fax 763 553 3387 Fax 31 45 5 429 695 Fax 8610 6567 8445 www medivators com jmi 50097 819 Rev B Product Bulletin KNOWN CAUSES FOR RESERVOIR OVERFILL 1 Incorrect Button Selection We have demonstrated in testing that pressing the wrong buttons on the control panel during certain phases of the reprocessing cycle in the CER systems will cause the disinfectant reservoir to overflow The specific circumstance S The basin is filled with rinse water the disinfectant reservoir is filled with disinfectant and the following incorrect button sequence is pressed The MANUAL button is pressed the LCG OUT button is pressed and the START button is pressed Result of this action This will immediately return the water in the basin to the disinfectant reservoir causing the reservoir to overflow because of the additional volume of solution being added 2 Restricted waste drain Flow of the waste drain can be restricted by a basin drain screen that is completely or partially blocked waste drain tubing that is kinked or a facility drain that is inadequate to handle intermittent peak drainage loads Result of these situations Rinse water will remain in the basin at the conclusion of the rinse water dump cycle When the CER system moves to the next cycle phase a reduced volume of dis2. P rod uct B u eti nN For Distribution To e International Distributors e International Management e U S Field Sales amp Clinical Specialists e U S Technical amp Field Service Date January 16 2013 RE CER 1 amp CER 2 Disinfectant Dumping and Reservoir Overfill The purpose of this Product Bulletin is to outline the possible and confirmed causes of disinfectant dumping and reservoir overfill along with ways to avoid these causes KNOWN CAUSES FOR DISINFECTANT DUMPING 1 Incorrect Button Selection We have demonstrated in testing that pressing the wrong buttons on the control panel during certain phases of the reprocessing cycle in the CER systems will cause disinfectant to be dumped down the drain The specific circumstances are a The machine alarms during the HLD fill period and the following incorrect button sequence is pressed The STOP button is pressed Either the FULL or LCG RINSE button is lit and the START button is pressed Result of this action This will restart the CER unit beginning with the wash cycle meaning that fresh rinse water is added to the disinfectant already in the basin Water will continue to be added until the proper level is reached The wash cycle will then be completed and the fluid in the basin which now includes diluted disinfectant will be dumped down the drain This results in an unintended loss of disinfectant from the reservoir b The CER has stopped with an er
3. infectant will be fed from the disinfectant reservoir to the basin to achieve the correct fill level at the conclusion of this cycle phase the disinfectant now including the added volume of water will be returned to the disinfectant reservoir which will be unable to accommodate the additional volume of diluted disinfectant This will cause the disinfectant reservoir to overflow PREVENTING DISINFECTANT DUMPING and RESERVOIR OVERFLOW 1 Operators should always follow the instructions in the User Manual to ensure correct button operation It is particularly important to note that the STOP button should not be used to reset the CER system following an alarm Use of the ALARM RESET button followed by the correct manual selections to return the machine to an idle state as outlined in the User Manual must be used 2 During the installation and thereafter it is critical to verify that the disinfectant reservoir and facility waste drain are at least 12 inches lower than the base of the CER unit that all hoses are correctly connected and able to flow freely with no kinks in the hoses and that the facility waste drain is adequately vented 3 During routine operation it is important to ensure that the drain screen is properly cleaned and that the facility s waste drain is free of blockages For additional information please contact customer support at 800 444 4729 or your local MEDIVATORS representative 2 50097 819 Rev B
4. ror or for an unexplained reason and the basin is found to be filled with disinfectant and the following button sequence is pressed The MANUAL button is pressed the DRAIN button is then selected and the START button is pressed Result of this action Disinfectant in the basin will be dumped down the drain 2 Restricted draining of disinfectant Restriction to the tubing which drains disinfectant back to the disinfectant reservoir basin can be caused by a kink in the tubing or a disinfectant reservoir which has been installed at a level equal to or higher than the basin drain A partial or full occlusion of the drain screen in the CER basin will also restrict flow out of the basin Result of these situations At the end of the disinfectant cycle a volume of disinfectant may remain in the basin because it is unable to completely drain back to the HLD reservoir in the time allowed by the software The disinfectant cycle will subsequently be completed and the fluid in the basin which now includes some disinfectant will be dumped down the drain ih MEDIVATORS Inc Headquarters MEDIVATORS BV MEDIVATORS Asia Pacific Pte Ltd MEDIVATORS Beijing Representative Office SS 14605 28th Avenue North Sourethweg 11 1 A International Business Park Room 708 7th Floor Kaiheng Center Block B TM Minneapolis MN 6422PC Heerlen 05 01 Singapore 609933 No 2 Chaoyangmennei Street A Cantel Medical Company 55447 4822 USA The Netherlands Tel 6
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