Lesson one discussed the functions of the entire unit. In this lesson, you will use
the troubleshooting guides in Appendixes A and B to isolate the cause of malfunctions.
The troubleshooting guides outline the possible causes and remedies for malfunctions
that may occur during sterilizer operation. If there is more than one possible cause,
proceed in sequence down the list to troubleshoot for the cause of the malfunction. The
following paragraphs discuss the two types of charts: coded and uncoded.
a. Coded Troubleshooting Guide. Use the coded troubleshooting guide in
Appendix A to identify (isolate) causes of malfunctions when related codes appear on
the control panel digital indicator. The following is an example of how to use the
troubleshooting guide to isolate a malfunction.
SYMPTOM: A code of 79 appears on the control panel digital indicator.
Refer to the coded troubleshooting guide in Appendix. A
Locate 79 in the code column.
Find the nature of the malfunction by looking in the
malfunction column (leak test failure).
Refer to the cause column and identify the possible cause of
Finally, refer to the remedy column opposite the appropriate
cause. The appropriate action you should take to remedy the
malfunction is to clean or replace the valves.