Service and Repair. Do not substitute parts or modify instrument other than described in chapter 9. Do not install substituted parts or perform any unauthorized modification to the instrument. Return the instrument to an Leybold Calibration and Service Center for service and repair to ensure all of the safety features are maintained.
Liability and Warranty Leybold assumes no liability and the warranty becomes null and void if the end-user or third parties disregard the information in this document use the product in a non-conforming manner make any kind of interventions (modifications, alterations etc.) on the product ...
The NC contact will always be closed in case of power failure. Please see the Leybold vacuum transmitter Communication Protocol 300544663 (RS232). Critical When using the setpoint relay to control process equipment always take appropriate precautions to prevent system damage in case of transmitter power failure.
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Due to curve form and limits, some of the alternative analog outputs will cause loss of measuring range and accuracy. For best performance use the standard Leybold analog output. Change of analog output setup does not interfere on digital reading.
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Q: Reverse voltage has been connected to power supply input. Is the transmitter damaged? A: Not likely – the transmitter power supply circuit has reverse voltage and over voltage protection, however, Leybold cannot guarantee that the transmitter will not be damaged. Q: The status LED is constantly illuminating red? A: The red status indicates a defect MEMS Pirani sensor element most likely damaged by corrosion or contamination.
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