TM 10-6630-246-12&PTM 09241 B-12&PCHAPTER 3OPERATOR MAINTENANCE INSTRUCTIONSSection I. LUBRICATION INSTRUCTIONSLubrication not required.Section II. TROUBLESHOOTING PROCEDURES3-1. GENERAL.The following is a list of common malfunction symptoms that may occur with your equipment. Each symptom is followed bya branching logic tree for troubleshooting. Follow the actions given in the order presented. The following cannot list all thepossible symptoms that may occur with your equipment or all the possible branches in each logic tree. If the symptom youare experiencing is not listed or actions given in the logic tree do not correct it, notify your supervisor.MALFUNCTION INDEXTROUBLESHOOTINGPROCEDUREMALFUNCTION(PARA)TOTAL DISSOLVED SOLIDS METERWILL NOT OPERATE OR GIVES ERRATICREADINGS.................................................................................................................................3-2TURBIDITY METERSHOWS NO DISPLAY WHEN SWITCHED ON ........................................................................3-3CANNOT BE "ZEROED"............................................................................................................3-4pH/TEMPERATURE METERSHOWS NO DISPLAY WHEN SWITCHED ON ........................................................................3-5SHOWS ERRATIC OR OUT OF RANGEREADINGS ON DISPLAY ..........................................................................................................3-63-1
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