Taylor-Dunn MX-026-00 - Read this First; Test Equipment Required; IMPORTANT NOTES and INSTRUCTIONS

Curtis PMC Troubleshooting
Page 3
READ THIS FIRST
Test Equipment Required:
• Digitalmultimeter(DMM)withdiodetestfunction,FLUKE79modelusedinillustrations.
• Shuntorclamp-onDCAmmetertomeasureupto400amps.
• TestlightwitharatedvoltageequaltoorexceedsmaximumbatteryvoltageorTaylor-Dunn
testlightpartnumber#62-027-00forsystemsupto48volts.
• ThrottleModuleAnalyzer,Taylor-Dunn#62-027-32.
• ThesetoolsareavailablethroughyourlocalTaylor-Dunnpartsdistributor.
IMPORTANT NOTES and INSTRUCTIONS
• Allvoltagetestsreferencebatterynegativeunlessotherwisespecied.
• Thistroubleshootingguideassumesthatthevehicleiswiredcorrectly.Itisnotintendedto
diagnose a vehicle that is not wired correctly.
• Thistroubleshootingguideisnotwrittentobeabletolocateaproblemiftherearemultiple
component failures.
• Thistroubleshootingguideassumesthebatteriesaregood.Chargeandtestthebatteries
before troubleshooting the control system.
• DO NOT start in the middle of this troubleshooting guide. Start at the beginning and complete
each test in the order that they are written. DO NOT skip any test unless instructed to do
so.Onceaproblemisfound,stoptestingandrepairtheindicatedproblem.Whentherepair
is completed it is recommended that the control system be retested before lowering the
drive wheels to the ground.
• Thistroubleshootingguiderequirestheuseofatestlightratedatthebatteryvoltageof
thetruckandtheTaylor-DunnThrottleModuleAnalyzer.Troubleshooting CANNOT be
completed without these tools.
These test procedures must be performed in the order they were
written. If the test result is good, then proceed to the next test or
go to the next section. Failure to do so may result in incorrect test
results.