Section 5 • Troubleshooting Flow Charts June 20055 - 2 TMZ-34/19 Part No. 52075About This SectionWhen a malfunction is discovered, the flow chartsin this section will help a service professionalpinpoint the cause of the problem. To use thissection, basic hand tools and certain pieces of testequipment are required—voltmeter, ohmmeter,pressure gauges.The location of terminals mentioned in this sectioncan be found on the appropriate electrical orhydraulic schematics provided in Section 6,Schematics.Since various degrees of a particular functionloss may occur, selecting the appropriate flowchart may be troublesome. When a function will notoperate with the same speed or power as amachine in good working condition, refer to theflow chart which most closely describes theproblem.General Repair ProcessTROUBLESHOOTING FLOW CHARTSMalfunctiondiscovered IdentifysymptomsTroubleshootPerformrepairReturn toservice problemsolvedproblemstill existsInspectand testLED Diagnostic ReadoutA diagnostic display was incorporated into the sideof the ground controls after serial numberT3402-115.The diagnostic readout displays numerical codesthat provide information about the machineoperating status and about malfunctions. Thenumbers will blink with fault codes and the 4dashes will remain on during normal operation.The codes listed in the Fault Code Chart describemalfunctions and can aid in troubleshooting themachine by pinpointing the area or componentaffected.800-610-4101ActionRental.com
