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A&D GH-120/GH-200/GH-300/GH-202/GH-252 manual Maintenance, Treatment of the Balance, Error Codes

Models: GH-120/GH-200/GH-300/GH-202/GH-252

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16.Maintenance

16.1.Treatment of the Balance

Clean the balance with a lint free cloth that is moistened with warm water and a mild detergent.

Do not use organic solvents to clean the balance.

Do not disassemble the balance. Contact the local A&D dealer if the balance needs service or repair.

Use the original packing material for transportation. Consider "3. Precautions" when operation the balance.

16.2.Error Codes

Display	Error code	Description
		Stability error
		The balance can not stabilize due to an environmental
	EC,E11	problem. Check around the pan. Prevent vibration, drafts,
		temperature changes, static electricity and magnetic fields,
		from influencing the balance.
		To return to the weighing mode, press the CAL key.
		Internal mass error
	EC,E16	Applying the internal mass does not yield a change in the
	EC,E16	mass value as specified.
		Confirm that there is nothing on the pan and perform the
		weighing operation from the beginning again.
		Internal mass error
	EC,E17	The internal mass application mechanism does not function
		properly. Perform the weighing operation from the beginning
		again.
		Calibration weight error
	EC,E20	The calibration weight is too heavy. Confirm the calibration
		mass value. Press the	CAL	key to return to the weighing
		mode.
		Calibration weight error
	EC,E21	The calibration weight is too light. Confirm the calibration
	EC,E21	mass value. Press the	CAL	key to return to the weighing
		mode.

Overload error

A sample beyond the balance weighing capacity has been placed on the pan. Remove the sample from the pan.

Weighing pan Error

The mass value is too light.

Confirm that the weighing pan is properly installed and calibrate the balance.

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Image 72

A&D GH-120/GH-200/GH-300/GH-202/GH-252 manual Maintenance, Treatment of the Balance, Error Codes

Contents

GH-120 GH-200 GH-300 GH-202 GH-252 1WMPD4000891CPage Contents Underhook Density Measurement Interface And Communication Introduction About This Manual Features ComplianceCompliance With FCC Rules Compliance With EMC DirectivesPage Unpacking the Balance Precautions Installing the BalanceBefore Use During Use Shock Power Supply After Use Display Symbols and Key Operation Key When pressed and released When pressed and heldDisplay Key operation Weighing Units Units 101 00001 Counting mode Pcs Percent mode Densitymode Press the Print Changing the UnitsExamples Unit Display Gram Balance displays Unit setting example Precautions for the weighing operation Basic Operation Gram ModeRead . Display symbols and Key operation before operation Weighing Dual Range Weighing range Available minimum display01mg 1mg Counting Mode PCS Storing a sample unit mass Weighing input modeCounting operation Counting mode using the Acai function Mark turns off after Unit mass is improved Repeat Percent Mode % Selecting the percent modeStoring the 100% reference mass Reading the percentage Response Adjustment Automatic Response AdjustmentAdvise Manual Response Adjustment Key untilDisplayed, then release the key Press Key again quickly Calibration Calibration Group Automatic self calibration due to changes in temperature Automatic Self CalibrationOne-Touch Calibration Mark Calibration Test Using the Internal Mass Press and hold the CAL Key until is CC Calibration Using an External Weight Calibration Test Using an External Weight Key................. The key To cancel the operationKey ..............The key to store the new mass value Even if the AC adapter is removed, Correcting the Internal Mass Value Function Switch and Initialization Permit or Inhibit Press the Print key To cancel this operation, press Initializing the BalanceKey to display Setting the Function Table Display symbol and keys Function Table Setting procedure Function table is displayed PressKey to select a class Press Key to enter the class Key to select a item Press Setting example Details of the Function Table Factory settings IntData output Time/Date output ID number output 5if Timeout AK, Error codeErCd Interface Ct5 Description of the Class Environment, Display Description of the Item Data Output Mode Key modeStream mode Auto print modes a and B Interval memory mode Description of the Item Data FormatStandard format DP Dump print format KF format MT formatNU numerical format Data Unit Terminator Stable value Unstable value CSV format Data numberDate Time Positive error Negative error SpaceData Format Examples Stable Unstable Overload Units Setting the time Clock and Calendar FunctionOperation Confirming the time Setting the date Quitting the operationSet the date Store Setting the ID Number ID Number and GLP Report Calibration report using the internal mass GLP ReportKey operation Calibration test report using an internal mass Balance returns to weighing mode after this testCommad Calibration report using an external weight Calibration test report using an external weight When using preset target value, proceed to step Title block and end block Title blockWeighing data Returns to the weighing mode Data MemoryReleasing Clr or err Press and hold the Print key until the key Data Memory for Weighing Data Storing the weighing dataMemory full Interval memory Setting the function table Parameter settings for each output mode are as followsAdditional parameter settings, as follows Enabling the data memory function Recalling the memory data Transmitting all memory data at one timeDeleting all memory data at one time Data Memory for Calibration and Calibration Test Storing the calibration and calibration test dataTransmitting the memory data Deleting data stored in memory Underhook Density Measurement Formula to obtain the densityPrior to measurement Changing the function table Density of a liquid Relation between the water temperature and density Entering the density of a liquid Measuring the density Output or store Density display Turns off. lightsPress the modes Key to proceed to other Standard Input and Output Interface RS-232C InterfaceSub 25 pin assignments Connection to Peripheral Equipment Connection to an AD-8121B printer Using Windows Communication Tools Software WinCT Using the WinCT software, the balance can do the followingConnection to a computer and the use of WinCT RsCom Commands Command List Acknowledge Code and Error Codes Control Using CTS and RTSSettings Related to RS-232C Command Examples On command turning on the balanceCommand Re-zeroing the display CAL command Calibration with internal mass Error code Command ?PT command Net value Tare value Weighing with a tare Command Execution PT command to set a target weight of 10 g Zero displayZero Maintenance Error CodesTreatment of the Balance Sample mass error Unit mass errorAutomatic response adjustment zero error Automatic response adjustment unstable error Other Display Checking the Balance Performance and Environment Checking that the balance performs properlyAsking for Repair Specifications External Dimensions Unit mm Options and Peripheral Equipment GH-02 USB interfaceGH-08 Ethernet Interface AD-8121B Printer AD-1653 Density Determination Kit AD-1683 DC Static EliminatorAX-USB-9P-EX USB Converter 9970 g/cm3 AX-SW128 Foot switch AX-T-314A-S External key Plug Other options Terms/Index Terms Index Options 5pd Out5tart Tare PU5e Memo Memo