Omega RD260A instruction manual Periodic Maintenance, Indication of Remaining Chart Length

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4.8 Maintenance

4.8 Maintenance

The activities necessary to maintain the recorder in good operating condition are shown below:

Periodic maintenance (see subsection 4.8.1) Battery replacement (see subsection 4.8.2) Fuse replacement (see subsection 4.8.3)

Cleaning plotter carriage shaft (see subsection 4.8.4) Calibration (see subsection 4.8.5)

Pen adjustment (see subsection 4.8.6)

Printer carriage adjustment (see subsection 4.8.7) Parts replacement (see subsection 4.8.8)

4.8.1 Periodic Maintenance

Check the following items periodically, and replace consumable parts, if necessary:

Are indication and recording normal?

If not, see chapter 8, “Troubleshooting”.

Are recorded lines or printed characters clear, not blurred?

To replace a felt-tip pen or a plotter pen of Pen model, see section 4.3 “Installing (or Replacing) Pens”; also, see section 4.4 “Installing (or Replacing) Ribbon Cassette” to replace the ribbon cassette of Dot-printing model.

Is chart-paper feeding smooth, not jammed?

	If not, see chapter 8, “Troubleshooting”.
Is there enough chart paper left in the chart compartment?
	Remaining chart length (cm) is printed on the left margin of the chart at intervals of
	20 cm.
	See section 4.2 “Installing (or Replacing) Chart Paper”.
Is [	] illuminated?
	If it is, see subsection 4.8.2, “Battery Replacement” as the lithium battery for
	memory backup needs to be replaced.

Remaining chart length

Indication of Remaining Chart Length

4. DAILY OPERATION/MAINTENANCE

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Contents User’s Guide Servicing North America Introduction Power Supply Alternative currentProtective Grounding Necessity of Protective GroundingDefects of Protective Grounding and Fuse FuseInstallation ChaptersContents Setting A/D Integration Time Pen model Before Installation Handling PrecautionsChecking Accessories and Appearance Accessories No. Name Qty RemarksChecking and Unpacking Spare Parts NameRemoving Packings Removing Lock Screw and Packings for TransitChecking Model Codes Checking Model CodesInstallation Site and Mounting Methods Installation SiteMounting Methods MountingExternal Dimensions Panel cutoutWiring Rear Panel Terminal ArrangementPen model Dot-printing modelPower Supply Wiring Power Supply WiringInput Signal Wiring Crimp-On LugsWiring for Input Terminals TC inputRTD input Terminal BoardAlarm Output Wiring option Contact characteristicsOutput type Output capacityRemote Control Wiring option Input characteristicsComponent Names and Functions Power switch push-button type Front PanelKey panel push-key type Chart cassette Status DisplayData Display Characters on the Display Maintenance Switching Power On/OffInstalling or Replacing Chart Paper Prepare a new chart Installing or Replacing Pens Pen model Simple replacementReplacement under pen-replacement mode Felt-tip penPlotter pen Installing or Replacing Ribbon Cassette Dot-printing model Feeding the Chart Getting the RecordingStarting/Stoping the Recording Printing SamplesGetting a Digital Printout Getting a List PrintoutGetting a SET UP List Printout Dot-printing model Printing SampleSelectting the Display Display MAN except for the 1-pen modelSelecting a screen Maintenance Periodic MaintenanceIndication of Remaining Chart Length Battery Replacement Fuse ReplacementCleaning the Carriage Shafts Fuse ReplacementCalibration Pen modelDot-printing model Calibration procedure DC Voltage Signal for Pen model same as Dot-printing modelRequired instruments for calibration Recommended instrumentsTemperature Compensation for Thermocouple Signal Reference Junction Compensation for Thermocouple InputPen-Position Adjustment Pen model Adjusting procedureDaily OPERATION/MAINTENANCE Dot-Position Adjustment Dot-printing model Figure aDaily OPERATION/MAINTENANCE Data Setting Guides Operation mode SET modeSET UP mode Turning the function offOperation Mode Disp keySET Mode SET UP Mode Password Procedures to Enter Setting Data SET Mode Setting Input Range and Recording Span Range Skip Setting Key operationIndication Description Voltage Measurement Setting Volt Setting Volt Input Ranges DisplayKey operation Indication Description TC Type Description and RTD Type DescriptionDigital Input Setting DI Setting Difference Computation Setting Delt Setting Scale Setting SCL Setting Indication DiscriptionSetting to Obtain Square Root Sqrt Setting Key operation Indication DiscriptionENT key Explanation of Square Root Setting Offsets Offst Setting Alarms Alarm Is displayed and the setting is completed. Press Assigning Units Unit Setting Chart Speed Chart Chart Speed unit mm/hSetting Date/Time Clock FIX Auto Assigning Tags TAG Setting Messages MSG Means ‘SPACE’Setting Key-lock KEY SET UP Mode Setting Procedure Setting Alarm Hysteresis On/Off Setting A/D Integration Time Pen model Setting Upscale/Downscale TC Burnout Select Using the key. Press the ENT key Display AppearsConfiguring the Input Filter Pen Model Filter works as followsSetting for Moving Average Calculations Dot-printing model Buffer data forNth sample +1th sample Turning Offset Settings Protection On/Off Assigning Different Colors to Channels Dot-printing model To select Display, and press the ENT key SelectSetting Pen Offset Compensation On/Off Pen model, /D1 option Recorder as Viewed from the SideTurning Alarm Printing On/Off Use Key to select the display Press the ENT keySetting Periodic Printout On/Off Pen Model Chart SpeedDot-printing Model Chart Speed Turning Printing of Changes in Chart Speed On/Off Setting ProcedureSetting Procedure Selecting channel Number or Tag Changing the Temperature Unit /D2 option Select Using the key Press the ENT key. The display AppearsChanging Default Settings for Remote Operation option Turning the Settings Protection Function On/Off Initializing Settings Error Code List Error CodesRecovery Self-diagnostic Message Printout Meanings Store SET UP Settings AgaiinTroubleshooting Recorder is completely inoperativeIs the input free of noise? Glitch is found other than the previously mentioned ploblems Warrant Y/ Disclaimer OMEGA…Of Course