NOTE: Due to product changes over time,components/assemblies illustrated in this chaptermay differ from the disassembled instrument. Ifthere are any questions, contact CareFusionTechnical Support.5.1 INTRODUCTIONThis chapter describes how to disassembleand reassemble the PCA Module.For more efficient repair, read the “Principlesof Operation” chapter for information on themechanical and electrical functions of thePCA Module.The surface mount devices on the circuitboards are not field repairable. Returncircuit boards to an authorized CareFusionService Center for repair. Attemptingcircuit board repairs voids all warranties.Whenever the PCA Module is repaired,perform the minimum tests required for newinstrument checkout using MaintenanceSoftware.For information on replacement parts, seethe “Illustrated Parts Breakdown” chapter.Following any level of maintenance, performthe applicable tests (refer to “Level ofTesting Guidelines” table).Chapter 5B — CORRECTIVE MAINTENANCEPCA Module5B-1Alaris ® Syringe Module (8110 Series)Alaris ® PCA Module (8120 Series)Technical Service ManualDisconnect the instrument from the Alaris ®System before performing maintenance. Onlyqualified personnel using proper groundingtechniques should open the instrument case.WARNINGCMOS devices are sensitive to static electricalcharges and may be damaged during repair if therepair activity is not performed in an electrostaticdischarge ( ESD ) protected environment usingapproved ESD protective procedures, includingpersonnel grounding.CAUTION