Time/Temperature Control Series 733/734 - Watlow

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Error CodesProblem Probable Cause SolutionEr10 -Stack overflow errorMicroprocessor error• Cycle powerTable 2 -ContinuedEr11 -Zone 1 open sensor errorOpen sensor• Check the InP1 parameter.Verify itmatches your sensor.˜NOTE:For Er10 throughEr14, first checkthe sensor andconnections for areversed or opensensor beforetrying the solutionlisted.˜NOTE:Er06 through Er09,and Er11 throughEr14 are selfclearing errors ifthe condition thatcaused the alarmhas been takencare of.Er12 -Zone 1 shorted sensorEr13 -Zone 2 Open sensorEr14 -Zone 2 shorted sensorEr15 -Zone 1 loop error• Incorrect sensor type• Measuring temperatureoutside the sensorrangeOpen sensor• Incorrect sensor type• Measuring temperatureoutside the sensorrange• Reversed sensor leads• Faulty heater or gasvalve• Shorted sensor• Faulty output switchingdevice• Blown fuse to heater• Incorrect Pb1 valuefor thermal system• Check the InP1 parameter.Verify itmatches your sensor.• Check the InP2 parameter.Verify itmatches your sensor.• Check the InP2 parameter.Verify itmatches your sensor.• Check heater or gasvalve• Check sensor• Check output switchingdevice• Check fuse to heater• Auto-tune the controlEr16 -Zone 2 loop errorError Code ActionsSee Er15 ProbableCause above.• Incorrect Pb2 value forthermal systemSee Er15 Solution above.• Auto-tune the control• Error codes will result in these conditons:• The alarm outputs are in their alarm state (de-energized).• The display alternately flashes the process value and error code.• All keys are inactive except for the Temperature key . This key snoozes theerror code and display for 30 seconds.• The above conditions occur regardless of the LOC value, or the presence of theSetup, Service or Calibration Menus.• To clear a corrected error…• Cycle power to the control. OR• Enter the Program mode by pressing the keys simultaneously for3 seconds.• Press the Menu 12 key 12 once.• Press the Time key . The EC (Error Clear) prompt is displayed.• Press the Temperature key , and the error is cleared. Press the Time keytwice, and you're back to the Operation mode [0)º0].14 WATLOW Series 733/734 Program ManualAlarms & Error Codes, Chapter 5
IndexA, BActual Temperature, 9Advancing to the Next Menu, 6Alarm Clear, 5 - 7Alarm, Masking, 4, 13Ac Parameter, 7CChanging Data, 6DDiagnostic LED's, 4Displays, Digital, 4Down key, 4EE _, 7Ec Parameter, 7Entering,a Menu, 6the Monitor Mode, 6Event,LED, 4Parameter, 7Exit the Program Mode, 6Error Clear, 5 - 7Events, 7F, GGeneral Description, 3Guard Band, 4KKeys, 4LLED's, 4LOAD 1 LED, 4LOC parameter, 7MMenu Keys, 4Monitor Mode, 4, 11Masking Alarms, 4, 13Model Number, 19NnEnU prompt, 10OOrdering Information, 19Overview, 3OperationMode, 9Parameters, 9PProgram,Chart, 8Mode, 5,6Parameters, 7Process Temperature, 9Q, RREADY LED, 4Review Mode, 10Running a Menu, 10SSnooze, 4, 13SP_ parameter, 5, 7Scrolling Menus, 6Selecting Data, 6Specifications, 18Stopping a Menu, 10Tt _, 7Time Remaining, 9Time Key, 4, 6, 9Temperature Key, 4Time Parameter, 7UUp Key, 4V, W, X, YViewing Temperature, 10Viewing Program Status, 10ZZone 1, 4, 7, 9Zone 2, 4, 7, 9Zone LED's, 4Appendix WATLOW Series 733/734 Program Manual 15
Page 1: Series 733/734TotalCustomerSatisfac
Page 4 and 5: WATL WKeys & DisplaysSERIES 733EVEN
Page 6 and 7: ProgramTo Advance To The Next Menu
Page 8 and 9: Program ChartTable 1 -Program ModeM
Page 10 and 11: OperationRunning a MenuPress the ap
Page 12 and 13: AlarmsChapter 5 Alarm & Error Codes
Page 16 and 17: Notes16 WATLOW Series 733/734 Progr
Page 18 and 19: SpecificationsControl Mode• Singl
Page 20: Watlow Series 733/734 User's Manual

Time/Temperature Control Series 733/734 - Watlow

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