Service Manual - Frank`s Hospital Workshop
Contents
1. A Answer y vw ACK Answer from NAK gt Delay DT sec Host else 4 eo Where COMBILYZERVA Host Comment sd COMBILYZER VA wants to send DEE Report of a measurement Others o y Retry count RTC max 5 _ delay time DT 15 sec Pp CT time out 15 sec The Structure of a FRAME Everything is in ASCII except STX and ETX pl 0 30h 1 1 Identification mode 0 Sequence number 1 Patient ID Nos The sequence number in 3 digits Pat ID 15 The Patient ID if it was given by the barcode reader or by a keyboard else SPACE Date of the measurement in mm dd format The code result conversion can be done based on it Result of the measurement by PADs end of the information checksum XOR for the parts within STX and ETX TX M No ip TX Service Manual COMBILYZER VA 8 9 Ss Human The strip type code is the following Code Type 1 COMBINA 11S The PADs are identified in the Result string by those order position 2 3 15 qe ttt 2 PAD Bi L juse ker jasc jelu Pro BLD PH NIT LEU Jempty SG 4 5 Example The printed result URINALYSIS Combina 11S No 30 Pat ID Heyer Roland 2003 5 26 10 49 SG 1 000 LEU 25 Leu ul NIT neg pH 7 ERY neg PRO neg GLU norm ASC neg KET neg UBG 2 mg dl BIL 1 mg dl The FRAME data flow of this report is the following assuming Seq no identification2. bi directional The mode can be chosen under the MENU SETUP OUTPUT SERIAL menu PC unidirectional NETW bi directional 4 2 Hardware Features Interface cable COMBILYZER VA 9 point CANON FEMALE Host 9 point CANON MALE l Tx Css The cable is a 3 core shielded cable the shield is connected to the GND on the PC side The parameters of the communication Databits Stop bits fs SF 4 3 Unidirectional Mode This mode is recommended to whom who simply want to send data to a PC using a simple terminal program The mode can be set by the MENU SETUP OUTPUT SERIAL PC setting The COMBILYZER VA sends out the same character string as which is printed out in this mode The sending is in ASCII code 24 characters line in CR format The sending is not depends on whether the data flow is received or not 4 4 Bidirectional Mode Use this mode to join the COMBILYZER VA to the laboratory network In this mode the stored reports can be sent to the Host in controlled bi directional data flow The sending is available by choosing the MEMORY SEND menu The communication is initiated by the COMBILYZER VA The protocol of the data flow is the following Service Manual COMBILYZER VA 7 9 Ss Human From Memory Send Send EOT CommOK Prepare next Message ENQ or FRAME n 4 RTC Max y Commerror De Send Message N en ea teen RTC s Wi Wait for Host TimeOut x
3. lt gt space 0 denntificationcode Heyer Roland 15 Patient ID 2003 5126 KU Date a measurement E Results Pi the measurement ETX 4 End of information checksum XOR for the parts within STX and ETX Service Manual COMBILYZER VA 9 9 Human Gesellschaft f r Biochemica und Diagnostica mbH Max Planck Ring 21 e D 65205 Wiesbaden Germany Telefon 49 6122 9988 0 Telefax 49 6122 9988 100 eMail human human de Internet http www human de 01 2004 04
4. 9 Green blue 5BG 7 8 matte 21800 Blue 5B 7 8 matte 21905 Purple 5P 7 8 matte 22169 Sheets shall be checked visually before controls Sheets must be straight surfaces free of contamination and physical damaged scratches 1 2 Test Method for Checking of the Measurement Accuracy The seven colours plus white specified on the control sheet are to be tested in Check AB mode performing at least five measurements subsequently Measurements repeated 5 times while no touching moving the sheet The averages of the measurement values need to be calculated the minimum and the maximum values are also considered for each pad position In the case of properly operating optical system the difference of the minimum and maximum values from the average of the specific pad will not exceed 1 in AB Service Manual COMBILYZER VA 3 9 AN Human 1 3 Test Method for Checking of the Meter to Meter Deviation The seven colours plus white specified in the control sheet are to be tested in Check AB mode performing at least five measurements subsequently with the instruments to be checked The averages of the measurement values need to be calculated for each pad The average deviation of two devices for each pad will not exceed 2 in AB The deviation from the overall average of three factory reference readers will not exceed 1 in AB 2 THE STEPS OF THE TROUBLE SHOOTING Figure 1 The grey stripped Service Sheet Remove the test
5. Cat No 16600 2 Service Manual Combilyzer VA Semi Automated Strip Reader ce CONTENT 1 THE CORRECT MEASURING FUNCTIONALITY TEST OF THE OPTICAL SYSTEM 1 1 Tools Applied During the Test 1 2 Test Method for Checking of the Measurement Accuracy 1 3 Test Method for Checking of the Meter to Meter Deviation 2 THE STEPS OF THE TROUBLE SHOOTING 2 2 Check Mode 2 2 1 Output where to send the result data 2 2 2 Result Data Format 2 2 3 Trigger 2 2 4 Calibration Data 2 3 Measurement Cycle 3 RE CALIBRATION 4 INTERFACE 4 1 Introduction 4 2 Hardware Features 4 3 Unidirectional Mode 4 4 Bidirectional Mode 4 5 Example Ss Human ONNN NNN OTT OCT TT OF RWW WwW Service Manual COMBILYZER VA 1 9 Ss Human This page left blank Service Manual COMBILYZER VA 2 9 Ss Human The operation of the COMBILYZER VA is introduced in its User s Manual If the user follows the instructions and watches the precautions described in that manual the equipment will support the laboratory activities long last ing and free of errors However even professionally operated electronic equipment can fail to work despite their proper maintenance This manual will guide you how to troubleshoot the possible COMBILYZER VA failures and malfunction also advising what to do when those operational problems arise Please also note that only a limited number of failures can be repaired among the conditions of the medical laboratories In most
6. cases the equipment need to be sent back to the distributor who might forward it to the manufacturer in order to have it thoroughly adjusted or repaired The manufacturer built into the control program firmware of the equipment some modules specifically support ing the troubleshooting functions With the help of these functions a trained expert can decide whether to main tain the equipment locally or send it back to the manufacturer asking professional help The trained user can enter the operational mode named CHECK mode that offers the troubleshooting functions by turning on the equipment while keeping pressed for about 5 seconds the right upper control key on the key pad Releasing the control key the equipment will be controlled by the CHECK mode program Troubleshooting in CHECK mode 1 THE CORRECT MEASURING FUNCTIONALITY TEST OF THE OPTICAL SYSTEM 1 1 Tools Applied During the Test a Grey Stripped Calibration Sheet made of plastic Figure 1 Sheet with 3 strips strip width 20 mm the strip leading edge distance from the front edge of the sheet 30 mm Colour Munsell ref No White N9 Black N2 Grey N5 b Sheet with 7 colour strips made of plastic colour strip width 12 mm first colour strip leading edge distance from the front edge of the sheet 20 mm Red 5R 7 10 matte 21066 Yellow 5Y 8 12 matte 21335 Yellow green 5GY 8 10 matte 21525 Green 5G 7 10 matte 2168
7. ed Image data are sent to the connected host 2 2 2 Result Data Format Normal the results measurement values will be printed out in the pre programmed selectable measure ment units RGB the results will be printed out in analogue red green and blue values in the RGB colour system AB the results are printed out in analogue red green and blue values in the AB colour system 2 2 3 Trigger this option will be enabled only if the RGB or AB result data format see above was selected Normal invokes a normal measurement cycle the conveyor belt forwards the test strip under the sensor head then a normal reading follows Button The conveyor belt stays halted The sensor head executes a reading Operation answering every right button press This mode serves only test function evaluating the RGB or AB values 2 2 4 Calibration Data Display the calibration data display mode selection Normal the detected R G B components light wave values of the illuminated Calibration sheets either Grey striped and 7 colour striped will be printed out for each pad position together with the data how the program evaluated the measured data Send Debug option to get the calibration data by pixels No need for the user using of this option The information block structure is shown below is sent via RS 232 serial line selecting this mode The serial line control setting is 9600 8 N 1 Service Manual COMBILYZER VA 5 9 Ss Human The str
8. parameters names refer only to the position along the strip Check all measured values of the three reference fields white black grey printed out by components RGB against the following reference ranges WHITE 160 180 BLACK 5 15 GRAY 30 45 If all the measured values are within the given ranges the optical system CCD lens mirror system works properly and the calibration of the COMBILYZER VA is good Values out of the ranges refer to improper operation of the optical system Maintenance Cleaning procedure is advisable If the values after the re calibration are within the given ranges the optics CCD lens mirrors and the white calibration of the COMBILYZER VA is good If the cleaning does not improve the operation the equipment must be return to the manufacturers professional service The image sharpness can be checked by reading the barcode printed on the Calibration Strip If the COMBILYZER VA is able to read the barcode safely the image sharpness should be considered good Service Manual COMBILYZER VA 6 9 Ss Human 3 RE CALIBRATION COMBILYZER VA needs be re calibrated in cases when the optical system was replaced or repaired The re calibration process is always done by manufacturer 4 INTERFACE 4 1 Introduction The COMBILYZER VA can be connected to a PC or to any Host device on the RS 232 serial line with the serial RS 232 cable There are two modes of communication unidirectional and
9. strip bumper and place the Service Sheet Figure 2 on the conveyor aligning its side to the edge of the conveyor see figure 2 White black grey strips Edge of the conveyor Figure 2 Alignment of the Service Sheet after removing the strip bumper The first reference field to be checked is the white one then black and grey must be positioned exactly under the optical detector inside the reading head There are marker lines on the sheet to help to adjust the correct position the marker must be in line with the cabinet s edge as it is shown in the Figure 3 Service Manual COMBILYZER VA 4 9 Ss Human Cabinet edge Black field ositionin Se 9 Position of the i optical sensor CCD White field posi tioning marker line Figure 3 The correctly positioned Service Sheet 2 2 Check Mode Now in order to perform the optical system test you need to enter the Check Mode as described above turning on the equipment while keeping pressed down the right upper control button for about 5 sec You can navigate in the menu system by activating the control button right below the selected option The control parameter values below need to be pre set while proceeding in the menu system Clear User White User White parameter is not applied presently for any purpose Always select No 2 2 1 Output where to send the result data PRN Printer selected RS485 the barcode keyboard interface RS485 five pin us
10. ucture of the sent binary file Grey strip RED component values 720 bytes White strip RED component values 720 bytes Grey strip GREEN component values 720 bytes White strip GREEN component values 720 bytes Grey strip BLUE component values 720 bytes White strip BLUE component values 720 bytes checksum 3 words for each pixel of the CCD for each pixel of the CCD for each pixel of the CCD for each pixel of the CCD for each pixel of the CCD for each pixel of the CCD Sm pl im gti nn Select the following settings if you need to perform a test measurement after entering in CHECK mode and want to get the RGB component values of results in printed out form Output PRN Result data format RGB Trigger BUTTON Calibr data NORMAL Important In general perform all the test procedure in about 5 minutes after switching on the equipment warming up period need to be considered 2 3 Measurement Cycle The illumination switches on but the conveyor belt keeps standing The instrument executes a measurement cycle answering an activation of the right control button and the results will be printed out in RGB format Please note that the measurement cycle need some time while loading the image into memory of the COMBILYZER VA so wait for about 2 sec before reactivating the button again The red green and blue component values can be read next to the abbreviation of the reagent parameter names In this test report the
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