Honeywell Excel 800 LION Installation And Commissioning Instructions

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Honeywell Excel 800 LION Installation And Commissioning Instructions Manual pdf 75 page image

Excel 800 LION75 EN1B-0375GE51 R0308Analog Output Modules Troubleshootingcase Problem Possible causes RemedyManual override settings ► Check manual override settingsOutputs are in safety position ► Check communicationSoftware problem ► Power down and then power up► If problem persists, replace hardware1 All outputs always havezero voltageInternal undervoltage detection has beenactivated ► Replace hardware2 Unstable output voltage Incorrect grounding of actuators ► Ground actuators individually (seeFig. 66 on page 47)Table 78 Failure modes of analog output modulesBinary Input Modules Troubleshootingcase Problem Possible causes Remedy1 Unexpectedly, all statusLEDs are always OFFInternal overload protection has beenactivated ► Power down and then power upTable 79 Failure modes of binary input modulesRelay Output Modules Troubleshootingcase Problem Possible causes RemedyImproper manual override settings ► Check manual override settingsOutputs are in safety position ► Check communicationSoftware problem ► Power down and then power up► If problem persists, replace hardware1 Unexpectedly, all outputsare in unpowered positionInternal undervoltage detection has beenactivated ► Replace hardwareTable 80 Failure modes of relay output modulesFloating Output Modules Troubleshootingcase Problem Possible causes RemedyImproper manual override settings ► Check manual override settings tocheck outputsOutputs are in safety position ► Check communicationSoftware problem ► Power down and then power up► If problem persists, replace hardware1 Unexpectedly, all outputsare in unpowered positionInternal undervoltage detection has beenactivated ► Replace hardwareTable 81 Failure modes of floating output modulesA “Frequently Asked Questions and Troubleshooting” document is available via the Honeywell Technical Assistance Center(TAC) or, for Honeywell employees, on the Intranet under:http://web.ge51.honeywell.de/tac