MINI-VES Service Manual
Contents
1. Switch on the instrument and wait until the message Select Function appears on the display Press consequently 3 times the RUNI key 3 times the key and another 2 times the RUN key Press the key until TEST SENSOR appears on the display Insert 4 test cuvettes with latex 3 ml code19900490 Four D s dark should appear on the display If one or more L s appears turn the trimmer corresponding to the position which indicates L in the clock wise direction and repeat the test from point e Insert 4 test cuvettes with latex 6 ml code19900530 Four L s Light should appear on the display If one or more D s appears turn the trimmer corresponding to the position which indicates D in the anti clock wise direction and repeat the test from point e If the Trimmer cannot be turned any further replace the corresponding sensor and repeat the test from point e 4 2 4 2 1 4 2 2 4 2 3 4 2 4 Service Manual CPU Board code 30100002 General 4 2 1 1 Aim The present document furnishes details of the Trouble Shooting procedures regarding the CPU Board code 30100002 assembled on the MINI VES 4 2 1 2 Applicability The recommendations contained in the present document are applicable for use in the final service check up to ascertain the acceptability of the instrument Relative documentation 20010000 Scheme of the MINI VES system in the current edition 20100011 Electrical scheme of t2. order to demonstrate the type of approach to follow in these situations 1 2 1 1 2 2 1 2 3 1 2 4 The instrument does not switch on a Check that the mains power supply is working b Check the power cable c Check the ON OFF switch on the back of the instrument d Check the CPU board see CPU procedure The instrument switches on Self Test The instrument is switched on but the Self Test is performed incorrectly gives Error codes or is not performed at all a The Self Test is not performed Check the CPU board see CPU procedure b The Self Test is performed incorrectly Error codes are visualized During the Self Test the following Error Messages may appear on the display 1 Sensor xx K O Check that no cuvettes are present during the Self Test Replace the Sensor Board code 30100042 Replace CPU Board code 30100002 2 Error reading Replace photocell code 30100100 Home position Replace photocell code 30100100 Counter Replace CPU Board code 30100002 Replace Motor code 30100010 The instrument is switched on Display The display does not visualize any message alternatively strange figures appear a Replace the Display code 30100030 b Replace CPU Board code 30100002 The instrument switches on Keyboard The instrument does not accept any command introduced via the keyboard a Replace the keyboard code 30100690 b Replace CPU Board code 30100002 MINI VES PROCEDURE T
3. 182 11121376 a 10300200 30401350 111211286 7 10300190 1110384G 11101172 30100100 pe 5 __ 30100100 11103846 4 4404781 10302070 10600090 30100010 30100002 j Hoo 30200470 18
4. DIESSE DIAGNOSTICA SENESE S p a MINI VES Service Manual Release 2 0 0 English Automatic instrument for the determination of the erythrosedimentation rate ESR patent pending The information contained in this manual can be subject to modification without notice Any of the parts of this manual can be reproduced in any way or media electronic or mechanical for any use without the written authorisation of Diesse Diagnostica Senese S p A Copyright February 1999 Diesse Diagnostica Senese S p A All rights reserved 1 1 1 2 1 2 1 1 2 2 1 2 3 1 2 4 4 1 4 1 1 4 1 1 1 4 1 1 2 4 1 2 4 1 3 4 1 4 4 1 5 4 2 4 2 1 4 2 1 1 4 2 1 2 4 2 2 4 2 3 4 2 4 4 2 5 TABLE OF CONTENTS MINI VES INTERVENTION PROCEDURES TROUBLE SHOOTING p 5 Approach to the MINI VES instrument Analysis of the faults The instrument does not switch on The instrument switches on Self test The instrument switches on Display The instrument switches on Keyboard MINI VES PROCEDURE TO DISMOUNT AND TO REASSEMBLE 00000o coc eee p 7 SERVICE MENU 400 Ai p 7 PROCEDURES TO FOLLOW FOR INTERVENTIONS ON THE DIFFERENT O A A A tara sca a p 8 Service Manual SENSOR READING Board code 30100042 oooooooooocoooconoconocccocccinnnon p 8 General Aim Applicability Relative documentation Relative instrumentation Description of the module Calibration procedure of the module Service Manual CPU Board
5. O DISMOUNT AND TO REASSEMBLE Proceed step by step as reported below 1 Procedure to dismount a Follow the recommendations in paragraph 1 points a and b b Unscrew the 4 screws 11101634 underneath the instrument c Open the lower covering 30200181 d Disconnected all cables connected on CPU Board 30100002 e Unscrew the 2 screws 1110390G which block the internal covering 30200170 and the external covering 30200161 2 Procedure to reassemble Perform the operations for the dismounting procedure in reverse order Note Pay attention that during reassembly the cables do not jammed to mechanical parts in particular to the Counter Dish 10300190 SERVICE MENU Description of the Service Menu Function EN DIS CKD to active and disactive the CHECK DEVICE RESET CKD to reset the CHECK DEVICE to the initial value CLEAR CKD to clear the CHECK DEVICE SET CKD to set 100 tests for once the CHECK DEVICE TIME NORMAL FAST to convert Minutes into Seconds TEST FUNCTION to check the Motor TEST SENSOR to calibrate the Sensors WIN Press the key to visualize these functions Press the RUN key to enter and utilize these functions 4 1 PROCEDURES TO FOLLOW FOR INTERVENTIONS ON THE DIFFERENT MODULES This section gives details of the Trouble Shooting to be performed periodically or after a repair or in any case to check the correct operation of all the functions of the instrument Se
6. code 30100002 0 000 ccc eccccccetecceteceeeeeeeeeeaeecnaeeneeeeeeeenaees p 13 General Aim Applicability Relative documentation Relative instrumentation Description of the module Examination of the faults MINIVES EXPLODED VIEW cout ies tad ageiecnints p 18 MINI VES INTERVENTION PROCEDURES TROUBLE SHOOTING Before performing any type of intervention on the instrument a SWITCH OFF THE ON OFF SWITCH ON THE VES MATIC INSTRUMENT b DISCONNECT THE INSTRUMENT FROM THE POWER SUPPLY IN ORDER TO AVOID ANY RISK OF CONTACT WITH ELECTRICAL OR MECHANICAL PARTS UNDER LINE VOLTAGE IF THESE BASIC RULES ARE NOT FOLLOWED THE MANUFACTURER OF THE MINI VES INSTRUMENT WILL ACCEPT NO FURTHER RESPONSABILITY 1 1 APPROACH TO THE MINI VES INSTRUMENT 1 Observe the recommendations reported in paragraph 1 2 Open the outer covering of the instrument 3 Gain access to the module of interest as described in the procedures reported hereafter see Flow Chart no 1 MINI VES Analisys of fault OK Dissasembly of the module Dismounting Procedures Intervention on the Module of Interest Trouble Shooting Reassembly of the Module of Interest Reassembly Procedures Retesting of the Module of Interest Calibration Procedures Flow chart n 1 1 2 ANALYSIS OF THE FAULTS The faults reported in the following paragraphs make reference to the Trouble Shooting procedures described for the individual modules in
7. he CPU Board code 30100002 30100042 Layout of the CPU Board code 30100002 Relative instrumentation Multimeter Mod FLUKE 8010A or equivalent Philips Laboratory Oscilloscope or equivalent Standard laboratory welder 3 4 mm screw drivers pliers standard laboratory tools Power Supply code 30401350 Description of the module The CPU Board controls all the peripheral process the data provided by the reading sensor board and calculate the Westergren value at the first hour at the second hour and the katz index of each one of the examined samples Its function can be divided into the following main blocks a MPU 68HC11A1FN Ul b MEMORY 27C64 U2 c DECODER 74HC138 U3 d POWER SUPPLY 7805 U6 e TIMING RESET 74HC04 U7 13 4 2 5 Examination of the faults a The display does not work Replace U7 74hc14 Replace U3 74hc138 Replace U2 27c64 Replace U6 7805 b The program does not start up Replace U2 27c64 Replace U1 68hc1 lal Replace U6 7805 c The Home Sensor are not read Replace U1 68hc11al Replace U7 74hc14 d The command given through the Keyboard are not accepted Replace U1 68hc1 lal e The Reading Motor does not move Replace U5 L293D Replace U1 68hc1 lal 14 5 MINI VES EXPLODED VIEW fo 30100030 ae 30100691 e va 30100081 10600100 gn200480 istede te S fil ri 30100042 E 0300220 A aie 11121376 11101
8. rvice Manual SENSOR READING Board code 30100042 General 4 1 1 1 Aim The present document furnishes details of the Trouble Shooting procedures regarding the Sensors Reading module code 30100042 assembled on the MINI VES 4 1 1 2 Applicability The recommendations contained in the present document are applicable for use in the final service check up to ascertain the acceptability of the instrument Relative documentation 20010000 Scheme of the MINI VES system in the current edition 20100011 Electrical scheme of the Sensors Reading Board code 30100042 30100042 Layout of the Sensors Reading Board code 30100042 Relative instrumentation Multimeter Mod FLUKE 8010A or equivalent Philips Laboratory Oscilloscope or equivalent Standard laboratory welder 3 4 mm screw drivers pliers standard laboratory tools CPU Board code 30100002 Power Supply code 30401350 4 tubes with latex 3ml code 19900490 4 tubes with latex 6ml code 19900530 Description of the module The Sensors Reading Board allows the height of the blood column to be read It trasforms the optic signal coming through the blood in the cuvette into an electric signal which is sent to the MPU of the CPU Board where it is processed Calibration procedure of the module For a correct result in agreement with Westergren s Method it s necessary to calibrate the sensor with test samples as described below a b c d e f 2 h i J
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