CD80 Advanced Electronics Rack User Manual - The Strand Archive

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Basic Trouble-shootingChapter5This chapter provides basic trouble-shooting procedures for the CD80Rack. It does not provide comprehensive maintenance data, but allows youto solve simple problems which may occur, and helps to provide StrandLighting with initial data when these procedures are not effective.For best system operation, do a routine check and cleaning once each yearunless the operating environment is unusually harsh or dirty. Pleaseconsult Strand Lighting field Service if you are in doubt about thefrequency of maintenance required for your system. Service andmaintenance operations other than this cleaning are seldom required. Incase of problems, and in order to save time and aggravation, follow theprocedures outlined here before calling Strand Lighting. Observe whathappens at each step. These steps answer the first questions a StrandLighting Service Representative will ask. The person actually doing thetests should call Strand Lighting in order to avoid miscommunication. Allservice except dimmer and mechanical components should be performedby subassembly replacement.The first section of this chapter provides information on parts replacementfor swapping components or replacing defective units. The second part ofthis chapter provides a basic fault isolation procedure.ComponentReplacementDimmer modules can easily be repaired in the field. The Power Supplymodule, Input Processor module, and Dimmer Processor modules are fieldreplaceable subassemblies. You should not attempt to repair theseassemblies in the field. Software updates can be done in the field byreplacing EPROMS on the Input Processor module.Dimmer ServicingCautionDimmers can be serviced by turning their circuit breaker OFF andremoving them from the rack. Dimmer components can easily be replacedin the field. To maximize SSR service life, use a heat transfer compoundbetween the SSR and heat sink (2.4Kw & 6Kw dimmers) or chassis (12Kwdimmers) when replacing SSRs. It is not necessary to shut the dimmer rackpower OFF to remove a dimmer.To avoid arcing if a load is attached, the dimmer circuit breakers shouldbe turned OFF before dimmer modules are removed or replaced.Basic Trouble-shooting 23
Input Processor ModuleServicingThe Input Processor module (part #3-258516-010) is not field repairable.You can remove the Input Processor module by turning power to the rackOFF, loosening the finger screw on the front of the unit, and pulling itstraight out of the Command module. For software updates, replace theappropriate EPROM chips on the unit an install it back in the CommandModule. For defective Input Processor modules, install a spare and returnthe defective unit to Strand Lighting for repair.Before handling the Input Processor, make sure that you ground yourselfto bleed off static electricity by touching some earth grounded item suchas a conduit. If you cannot turn off the mains power to the rack beforeremoving the module, turn all dimmer module circuit breakers OFF anduse alligator clip leads to activate the thermal shutdown relay (short outthe leads on the left hand button thermostat on the upper back wall of therack).WarningDo not try to remove power from the Fan Housing by removing thepower feed plug from under the Fan Housing. This plug is too close topower bussing to be safely unplugged while power is applied to therack.Dimmer ProcessorModule ServicingDimmer Processor modules (part #3-258515-010) are not field repairable.You can remove a Dimmer Processor module by turning power to the rackOFF, loosening the finger screw on the front of the unit, and pulling itstraight out of the Command module. Replace the unit with a spare andreturn the defective unit to Strand Lighting for repair.Before handling the Input Processor, make sure that you ground yourselfto bleed off static electricity by touching some earth grounded item suchas a conduit. If you cannot turn off the mains power to the rack beforeremoving the module, turn all dimmer module circuit breakers OFF anduse alligator clip leads to activate the thermal shutdown relay (short outthe leads on the left hand button thermostat on the upper back wall of therack).WarningDo not try to remove power from the Fan Housing by removing thepower feed plug from under the Fan Housing. This plug is too close topower bussing to be safely unplugged while power is applied to therack.24
Page 2 and 3: Introduction and AssistanceChapter1
Page 4 and 5: ConventionsThe following additional
Page 6 and 7: Operational FeaturesChapter2This ch
Page 8 and 9: Hardware DescriptionChapter3The CD8
Page 10 and 11: Input Processor ModuleThe Input Pro
Page 12: Quiet DimmersFor locations where no
Page 15 and 16: Plan Conduit LayoutThe location of
Page 17 and 18: Figure 3. CD80 Dimmer ReceptacleCon
Page 19 and 20: Each rack has its own OverTemp sens
Page 21 and 22: Wire Version 1Command Module(s)Inst
Page 23: Close Up RackThe rack can be closed
Page 27 and 28: Problems Affecting theEntire RackTo
Page 29 and 30: Dimmers for one phase will not go t
Page 31 and 32: Dimmer ProcessorCard CalibrationThe
Page 34: Figure 13. CD80 Rack Back Panel Par
Page 38: Figure 15. CD80 6Kw Dimmer ModuleBa
Page 42: Periodic MaintenanceChapter6Periodi

CD80 Advanced Electronics Rack User Manual - The Strand Archive

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