uniphy PHYACTION 190 Скачать руководство пользователя страница 33 | Manualshive

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uniphy PHYACTION 190 Скачать руководство пользователя страница 33

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Содержание PHYACTION 190

Страница 1: ...s a registered trademark of Uniphy BV Art Code 93001212 6 Phyaction is manufactured in The Netherlands by Uniphy BV P O Box 558 NL 5600 AN Eindhoven the Netherlands Tel 31 499 491800 Fax 31 499 474734...

Страница 2: ...ion 9 3 2 IEC 601 1 safety tests 10 3 3 Performance check of the ultrasound treatment heads 10 CHAPTER 4 TROUBLE SHOOTING 12 4 1 Introduction 12 4 2 Description of the automatic selftest 12 4 3 Descri...

Страница 3: ...sing the equipment in the vicinity of short wave or microwave equipment can influence the correct operation of the unit Using this equipment when high frequency surgical equipment is connected to the...

Страница 4: ...ment and you must ensure that no liquid enters the equipment 1 3 5 Fitting the head holder As standard a head holder is supplied with each treatment head Before you use the Phyaction 190 for the first...

Страница 5: ...n9 you can access the special memory function 20 different treatments can be saved retrieved or changed 1 4 5 Output connectors and sockets on the front The safety socket10 on the far left is used for...

Страница 6: ...ppendix 2 TUNING THE ULTRASOUND TREATMENT HEADS the tuning process is described 1 4 9 Head holder For each Phyaction 190 a head holder for each treatment head is supplied as standard You can fit this...

Страница 7: ...e complete apparatus The user can set most of the parameters with the keyboard which is shown at the left of the microcontroller The intensity of the ultrasound can be set with the intensity knob draw...

Страница 8: ...connection to the UART of the microcontroller The interface is for extended service features used by manufacturer only 2 2 6 Power supply The power supply is a conventional one with a mains transforme...

Страница 9: ...ulator in order to prevent erroneous frequencies being produced by the treatment head 2 3 2 Modulator To obtain a symmetrical steering signal for the power stage the modulator switches its outputs wit...

Страница 10: ...is mainly a capacitive load Its impedance differs among other things with the size of the crystal and its operating frequency For this reason the microcontroller can match the impedance by switching o...

Страница 11: ...cables and connectors undamaged Pay special attention to possible leaks in the treatment heads such as cracks or loosened seems Are the labels on the ultrasound treatment heads readable 3 1 2 Function...

Страница 12: ...treatment heads In the software of the Phyaction 190 a special menu for service purposes only is included Most of these features can be used for trouble shooting You can find the description of the ot...

Страница 13: ...cted The microcontroller will then measure the same parameter as before Vusi wet In the following table are the values for the different frequencies and treatment heads which should be met Head type f...

Страница 14: ...described in the user manual Errors that cannot be corrected by the user are displayed as shown in figure 4 1 where the numbers are randomly chosen The error codes presented after Code are described...

Страница 15: ...roller and its required hardware program and data memory 1 The ALU and a number of instructions are verified When an error is met ERROR 00 is generated and 6 beeps will sound 2 The internal memory the...

Страница 16: ...gh it could indicate a hardware error in the head detection hardware Checking the ultrasound voltage 1 After power on of the unit the PWM is in its minimum position 0 255 Any voltage still present in...

Страница 17: ...service personnel only so never tell a physiotherapist or doctor how to enter this menu because they might do things that will harm the appliance or the treatment heads If you press the yellow button...

Страница 18: ...g ultrasound it will show a screen saver after 5 minutes of non activity After approximately 5 minutes the screen saver disappears and the LCD backlight is switched off To prevent the appliance to go...

Страница 19: ...main board to the keyboard and the cable of the backlight of the LCD Now you can shift out the board and exchange the EPROM If you want you can disconnect the other 4 cables but that is not really nec...

Страница 20: ...ew won t hold at all This would mean you would have to exchange the front panel which is at lot of work and a lot of money Finally connect the cable on the keyboard panel and re install the main board...

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Страница 39: ...ow key pressed until the Service Menu appears see figure 4 7 Now press function key 1 Set head parameters Figure 5 appears on the screen If it does not appear check if a treatment head is connected 8...

Страница 40: ...the results are Bad the tuning has not succeeded A code representing the reason why the tuning has not succeeded occurs in the lower right corner see figure 12 Turn back the intensity knob to its zer...

Страница 41: ...r_I2C_WriteErr I C Error during write User interface 20 err_LCD General LCD error 21 err_LCD_TimeOut LCD time out error 27 err_Ser_TimeOut Serial port time out E PROM errors 30 err_E2PROM General E PR...

Страница 42: ...f the microcontroller Check the microcontroller and the software 00 xx If value differs from 00 an incorrect internal register bank is addressed Six short beeps will sound 01 err_IntRAM An error is fo...

Страница 43: ...imer0 Timing of timer 0 is incorrect Check the microcontroller and the software xx Value gives an estimate of the number of times timer 0 has caused an interrupt since a 10 msec flag was set Six short...

Страница 44: ...Mask for detecting an LCD error Only for internal use 31 err_E2PROM_Check sum Incorrect E PROM checksum Probably the unit is switched off during a write to the E PROM The checksum will be corrected a...

Страница 45: ...ions between main PCB and ultrasound unit Check the power supplies Check the PWM xx Value represents the measured voltage Hexadecimal representation of the measured voltage 10 so at 22 5V decimal 225...

Страница 46: ...err_VIsns Isns is too high if no ultrasound is produced V 0 05V Check the power stage in the ultrasound unit xx Value is the 8 bit measured voltage of Vusi so 0 05V 02h 8 Phase locked loop 60 err_PLL_...

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