TOSI - Troubleshooting Guide: What to do in case of…

1 T OSI - Troubleshooting guide : what to do in case T est Results Rating Description Possible Reasons for Immediate corrective action Proposal for optimization of TOSI Test Results (to be conducted by SPD personnel) relevant process parameters (requiring Service Engineer)Recommended Cleaning Parameters (please refer also to thethe manufacturer)Type of Cleaner Concentration Cleaning Time TemperatureAlkaline Cleaner pH-Value >11,5 5 g/litre 5 min > 60 CNeutral Cleaner with Enzymes 10 g/litre 10 min 45 C Neutral Cleaner without Enzymes 7 - 10 g/litre 10 min 45 - 60 C012345 Completely rinsed = no water soluble proteins visible, but remainsCompletely rinsed = no water soluble proteins visible, but -als remainsOptimum ResultTest soil is completely dissolved, no test soil residuals leftIncompletely rinsed = small residuals of the water soluble (red) proteins visible, no or remains visibleIncompletely rinsed = sig-soluble (red)

2 Proteins visible, in layer remainsTOSI - Test soil is largely or completely remainingOptimum resulta) Incorrect positioning of Testb) Overloading/incorrect loading*c) Temperature not optimald) Dosage of cleaner too lowa) Incorrect positioning of Testb) Overloading/incorrect loading*c) Cleaning time too shortd) Temperature not optimale) Dosage of cleaner too lowf) a) Incorrect positioning of Testb) Overloading/incorrect loading*c) Non-uniform water distributiond) Blocked spray systeme) f) g) Foaming tensides left over from pre-cleanin g or ultrasonic batha-g) same as rating 3 but more distincth) Defective pumpi) Loss of pressure or other de-fectj) Incorrect temp for detergentk) Failure of chemistry in usea-k) same as rating 4l) No cold pre-rinsing step in place or too hot pre-rinsingm) Complete breakdown of the washer and/or the chemistrynot necessarynot necessarya) Repeat test protocol with small load*b) Investigate cleaning timec) Investigate cleaning temperatured) Check dosage/concentration of detergenta) Repeat test protocol with small load*b) Repeat test protocol with correct load*c) Investigate cleaning timed) Investigate cleaning temperaturee) Check dosage/reservoir or cleanerf) Check storage conditions and expiration Date of ) Repeat test protocol with small load*b) Repeat test protocol with correct load*c) Check coupling of spray systemd)

3 Check movement of spray arms and cleane) f) Rinse medical devices more carefully after pre-cleaning or ultrasonic treatmenta-f) Same as rating 3g) Refer to Service Engineerh) Made any observations about leakages?i) Investigate cleaning temperaturej) Check tube connections/reservoir/storage conditions/expiration date of detergenta-j) Same as rating 4k) Investigate pre-rinsing temperature and/or availabilty of a pre-rinsing stepl) It is strongly recommended not to use the washer/disinfector until problems have been a) reasonsb) Adjust cleaning time to type of cleaner or extend timec) Adjust cleaning temperature to type of detergentd) Increase dosagea) b) Adjust cleaning time to type of cleaner or extend timec) Adjust cleaning temperature to type of detergentd) e) Replace wrongly stored or expired detergenta) b) Install spray system correctly or replace by a suitable onec)

4 Replace defective spray arm if necessaryd) Replace Filter if necessarye) Check/increase water pressure, check function of pump a - e) same as rating 3f) Replace pumpg) Repair leakage and/or replace defective spare partsh) Select and set appropriate parameters for detergent in usei) stored or expired detergenta - i) same as rating 4j) Reduce pre-ri nsing temperature below 40oC or install cold pre-rinsing cyclek) Investigate carefully all relevant cleaning parameters and make necessary correctionsImportant notefor the failure. In case the cause of a failure cannot be resolved by the SPD staff the techni-cal service rep of the manufacturer of the machine or detergent should be contacted. It is not technical service of the supplier!

5 Such violation may result in loss of warranty! 2016-02