MKS 146C - Page 13

Table of Contents
x
Chapter Eleven: Troubleshooting...........................................................................................291
The Diagnostics Feature.............................................................................................291
Starting the Diagnostics Feature.....................................................................291
Performing 146 Instrument Self Tests............................................................291
Code 1: RAM Test........................................................................................292
Code 2: PROM Test .....................................................................................293
Code 3: Display Test ....................................................................................293
Code 4: Check all Keys.................................................................................294
Code 5: Beeper Test......................................................................................295
Code 5x: Relay Test......................................................................................296
Code 6: Rear Panel Status.............................................................................297
Code 6x: Analog Outputs Check...................................................................298
Code 7x: Response Time for Fail-Safe Feature .............................................299
Code 9999: Factory Calibration ....................................................................300
Appendix A: Product Specifications.......................................................................................301
Physical Specifications...............................................................................................301
Electrical Specifications .............................................................................................302
Appendix B: Parts List/Accessories .......................................................................................303
Appendix C: RS-232 Error Codes..........................................................................................305
Error Code Summary..................................................................................................305
Appendix D: Front Panel Error/Status Messages....................................................................307
Appendix E: Instrument Default Values.................................................................................309
Appendix F: Underrange and Overrange Values.....................................................................313
Appendix G: Board Specific Commands................................................................................315
General Information ...................................................................................................315
Capacitance Manometer Messages..............................................................................316
Pirani/Convection Messages.......................................................................................318
Cold Cathode Messages .............................................................................................320
Hot Cathode Messages ...............................................................................................322
Mass Flow Controller Messages.................................................................................324
Thermocouple Messages ............................................................................................326
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