Sierra Series 830/840/860 Side-Trak™ and ... - Sierra Instruments

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Series 830/840/860 Instruction ManualChapter 5 TroubleshootingFlow Controllers with Motor-operated Rotary ValvesProblem Possible Cause SolutionValve “hunts” back and forthcontinuouslyValve rotates continuouslyValve does not rotatePressure differential too greatMotor coupling set screws looseValve motor failureLimit switch out of adjustment or brokenMicroprocessor failedContaminant blocking valveMotor fuse blownReduce pressureTighten set screwsReplace motorAdjust or replace switchReplace microprocessorRemove blockageReplace 1 amp fast blow fuse onmotor valve boardFlow reading is erratic Inlet filter screen clogged Clean or replace screenReads full scale with no flow orwith valve shutFlow does not match set pointwithin specificationsDefective sensorQ1 shortedU10 failedInsufficient pressure differentialReturn to factory for replacementReplace with same type partReplace with same type partIncrease pressure or reduce setpointIM-83/84/86-H 5-3
Chapter 5 TroubleshootingSeries 830/840/860 Instruction ManualReturning Equipment to the FactoryFactory Calibration—All ModelsSierra Instruments maintains a fully-equipped calibration laboratory. Allmeasuring and test equipment used in the calibration of Sierra transducersare traceable to NIST Standards. Sierra is ISO-9001 registered and conformsto the requirements of ANSI/NCSL-Z540 and ISO/IEC Guide 25.Instructions for Returning Your Instrument for ServiceThe following information will help you return your instrument to SierraInstruments' Factory Service Center and will ensure that your order isprocessed promptly. We will assign an RMA (Return Materials Authorization)number prior to the unit’s return and send you an estimate of chargeswithin 24 hours of receiving your unit. Prices may vary depending on theflow range, type of gas and operating pressure of your unit. To request detailedpricing contact your local Sierra Instruments distributor or contactone of our offices directly. Our expedite fees are: three-day turnaround25%, two-day turnaround 40%.Please follow these easy steps to return your instrument for factoryservice:1. Obtain a Return Materials Authorization (RMA) number from SierraInstruments. You may obtain this from the factory by calling(800) 866 0200 between 8:00 a.m. and 5:00 p.m. PST Mondaythrough Friday. You may also obtain this number via e-mail bycontacting service@sierrainstruments.com.2. Once you have obtained an RMA number, complete the form. Ifyou require service beyond calibration, but do not know whichservice(s) will be required, describe the symptoms as accurately aspossible on the RMA form. Submit electronically or by fax to(831) 373-2414.3. Pack your instrument carefully (bubble wrap or molded foam suggested-NOTPEANUTS) and include a copy of the RMA form(complete with Sierra supplied RMA number) with the unit(s).Ship the unit(s) to the following address:Caution!Always fully neutralizeany toxic gas trapped insidethe 5-4 instrument beforeIM-83/84/86-Hremoving it from the gasline.
Page 1 and 2: Sierra Series 830/840/860Side-Trak
Page 3: Series 830/840/860 Instruction Manu
Page 6: Table of ContentsSeries 830/840/860
Page 11 and 12: Chapter 1 IntroductionSeries 830/84
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Page 29 and 30: Chapter 3 OperationSeries 830/840/8
Page 38 and 39: Chapter 4 MaintenanceSeries 830/840
Page 56 and 57: Appendix ASeries 830/840/860 Instru
Page 70: Appendix B SpecificationsSeries 830

Sierra Series 830/840/860 Side-Trak™ and ... - Sierra Instruments

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