Nidek CV-24000 Service manual
NIDEK
OPHTHALMIC SURGICAL SYSTEM
[PHACOEMULSIFICATION • VITREOUS SURGERY]
Model CV-24000
SERVICE MANUAL
December 21, 2001
XCV4**RDA001B/E Total 142 pages
Table of Contents
§
1 CAUTIONS .................................................................................................................. 1-1
1.1 Cautions in using the manual ................................................................................... 1-1
1.2 Cautions in repairing ................................................................................................ 1-1
§
2 TROUBLESHOOTING .............................................................................................. 2-1
§
3 SUB-TROUBLESHOOTING ..................................................................................... 3-1
3.1 Pilot lamp does not illuminate.................................................................................. 3-1
3.1.1 Check of P.S. board ......................................................................................... 3-2
3.2 Nothing appears on screen ....................................................................................... 3-3
3.2.1 Communication error of screen ....................................................................... 3-4
3.3 Back light can not be adjusted.................................................................................. 3-4
3.4 Touch panel does not work ....................................................................................... 3-5
3.5 Seat switch does not work ........................................................................................ 3-6
3.6 Remote control does not work ................................................................................. 3-7
3.7 Sounds do not come out ........................................................................................... 3-8
3.8 Volume can not be adjusted ...................................................................................... 3-8
3.9 Irrigation pole does not move by irrigation UP/DOWN switch ............................... 3-9
3.10 Printer does not work normally ............................................................................ 3-11
3.11 Memory inside of main body does not work correctly ......................................... 3-12
3.12 Memory card does not work correctly .................................................................. 3-12
3.13 Cassette test is not passed .................................................................................... 3-13
3.14 Cassette can not be removed ................................................................................ 3-14
3.15 SYSTEM (cataract) test is not passed .................................................................. 3-16
3.15.1 SINGLE CASSETTE .................................................................................. 3-16
3.15.2 ANT DUAL CASSETTE ............................................................................ 3-20
3.16 US test is not passed ............................................................................................. 3-24
3.17 DIA test is not passed ........................................................................................... 3-24
3.18 SYSTEM (vitrectomy) test is not passed ............................................................. 3-25
3.18.1 ANT/POST DUAL CASSETTE ................................................................. 3-25
3.18.2 POST DUAL CASSETTE .......................................................................... 3-29
3.19 PPL test is not passed ........................................................................................... 3-32
3.20 Foot switch does not work ................................................................................... 3-33
3.21 Irrigation does not move correctly ....................................................................... 3-35
3.22 Aspiration does not work correctly ...................................................................... 3-36
3.23 US oscillation is not performed correctly............................................................. 3-38
3.24 Diathermy output is abnormal .............................................................................. 3-39
3.25 Cutter does not work (for using built-in compressor) .......................................... 3-40
3.25.1 Check of air pressure piping for cutter (only for ANTERIOR) .................. 3-41
3.25.2 Check of air pressure piping for cutter (for both of ANT/POST) ............... 3-42
Page
3.26 Cutter does not work (in the case of using external air pressure) ........................ 3-44
3.27 Scissors do not work correctly ............................................................................. 3-46
3.27.1 Check of air pressure piping for using built-in compressor ........................ 3-46
3.27.2 Check of air pressure piping for using external air pressure ....................... 3-48
3.28 FGX does not work correctly ............................................................................... 3-50
3.29 Illumination does not work correctly ................................................................... 3-52
3.30 Check of power (P.S. board)................................................................................. 3-54
§
4 REPLACEMENT ......................................................................................................... 4-1
4.1 Replacement of top cover ......................................................................................... 4-1
4.2 Replacement of rear cover ........................................................................................ 4-1
4.3 Replacement of lower part of left cover ................................................................... 4-2
4.4 Replacement of lower part of right cover ................................................................. 4-2
4.5 Replacement of front cover ...................................................................................... 4-3
4.6 Replacement of inverter ........................................................................................... 4-3
4.7 Replacement of display board .................................................................................. 4-4
4.8 Replacement of main board...................................................................................... 4-4
4.9 Replacement of limit switch ..................................................................................... 4-5
4.10 Replacement of driving (AC) motor ...................................................................... 4-6
4.11 Replacement of control unit ................................................................................... 4-7
4.12 Replacement of P.S. board...................................................................................... 4-8
4.13 Replacement of US unit ......................................................................................... 4-9
4.14 Replacement of compressor ................................................................................. 4-10
4.15 Replacement of printer ......................................................................................... 4-10
4.16 Replacement of noise filter .................................................................................. 4-11
4.17 Replacement of power switch .............................................................................. 4-11
4.18 Replacement of transformer ................................................................................. 4-12
4.19 Replacement of BU CONNECT board (BA06) ................................................... 4-12
4.20 Replacement of VR board (BA21) ....................................................................... 4-13
4.21 Replacement of RECEIVER board (BA02) ......................................................... 4-13
4.22 Replacement of speaker ....................................................................................... 4-14
4.23 Replacement of irrigation pole UP/DOWN switch (EA56) ................................. 4-15
4.24 Replacement of PRINT/FEED switch (BA29)..................................................... 4-15
4.25 Replacement of POLE CONTROL board (BA07) ............................................... 4-16
4.26 Replacement of microswitch (SW56, 58) ............................................................ 4-16
4.27 Replacement of EJECT switch board (BA29) ..................................................... 4-17
4.28 Replacement of TUBE SENS board (BA28) ....................................................... 4-17
4.29 Replacement of DRIVER board (BA05) .............................................................. 4-18
4.30 Replacement of CASSETTE SENS board (BA27) .............................................. 4-18
4.31 Replacement of FGX/SCIS board (BA08) ........................................................... 4-19
4.32 Replacement of ILL/SCIS SELECT board (BA09) ............................................. 4-19
4.33 Replacement of solenoid valve ............................................................................ 4-20
4.34 Replacement of pressure sensor for control (EA86) ............................................ 4-21
4.35 Replacement of pressure sensor (EA84) .............................................................. 4-22
4.36 Replacement of condenser (C1) for AC motor (driving motor) ........................... 4-22
4.37 Replacement of VACUUM SENS board (BA26) ................................................ 4-23
4.38 Replacement of CARD board (BA24) ................................................................. 4-23
4.39 Replacement of valve unit (1 set and 2 sets) ........................................................ 4-24
4.40 Replacement of pressure sensor for FGX output (EA88) .................................... 4-24
4.41 Replacement of seat switch .................................................................................. 4-25
4.42 Replacement of load cell unit (EA31) .................................................................. 4-25
4.43 Replacement of aspiration motor (EA39) ............................................................ 4-26
4.44 Replacement of pilot lamp ................................................................................... 4-27
§
5 ADJUSTMENT ............................................................................................................ 5-1
5.1 Transformer output (check at secondary side) ......................................................... 5-1
5.2 Output voltage check of P.S. board (BA04) ............................................................. 5-1
5.3 Output voltage check of BU CONNECT board (BA06) .......................................... 5-1
5.4 Output voltage check of MAIN board (BA03)......................................................... 5-2
5.5 Output voltage check of DRIVER board (BA05) .................................................... 5-2
5.6 Output voltage check of FGX/SCIS board (BA08) .................................................. 5-2
5.7 Output voltage check of US unit (E100) .................................................................. 5-2
5.8 Voltage adjustment of FGX/SCIS board (BA08) ..................................................... 5-3
5.9 Output voltage check of DISPLAY board (BA02) ................................................... 5-3
5.10 Adjustment of irrigation height detection potentiometer ....................................... 5-4
5.11 Adjustment of control unit ..................................................................................... 5-4
5.12 Adjustment of FGX/SCIS mode ............................................................................ 5-5
5.13 Adjustment of pinch valve ..................................................................................... 5-6
5.14 Adjustment of load cell positioning ....................................................................... 5-6
5.15 Adjustment of aspiration motor (EA39) positioning.............................................. 5-7
§
6 WIRING DIAGRAM ................................................................................................... 6-1
6.1 Block diagram .......................................................................................................... 6-1
6.2 Display unit diagram ................................................................................................ 6-2
6.3 Main unit diagram .................................................................................................... 6-3
6.4 P.S. unit diagram....................................................................................................... 6-4
6.5 Driver unit diagram .................................................................................................. 6-5
6.6 BU CONNECT unit diagram ................................................................................... 6-6
6.7 POLE CONTROL unit diagram ............................................................................... 6-7
6.8 FGX/SCIS unit diagram ........................................................................................... 6-8
6.9 ILL/FGX SELECT unit diagram .............................................................................. 6-9
§
7 TOOLS AND SOLVENTS .......................................................................................... 7-1
7.1 Tools ......................................................................................................................... 7-1
7.2 Solvents .................................................................................................................... 7-1
§
8 ERROR CODE ............................................................................................................. 8-1
§
1
CAUTIONS
1.1 Cautions in using the manual
• This manual is for the service work of the Phacoemulsification System, Model CV-24000.
• Before using this manual, thoroughly read and understand the operator’s manual for CV-24000.
• This manual does not contain the contents written in the operator’s manual.
• The specifications are subject to change without notice for improvement. For the important
change, see the technical bulletin issued for the change concurrently.
1.2 Cautions in repairing
• For repairing, make sure to wear rubber gloves to protect from the infection of bacteria.
• Never touch the things which are used for surgery and not yet sterilized.
• When checking the motion, ensure to use the sterilized handpiece.
• Repairing the system is prohibited except the personnel who received the training.
• For maintenance, turn OFF the power and disconnect the socket from the power unless this
manual specifies “Turn ON the power”.
• Prepare a case for removed screws and parts not to miss or drop them into the system.
• For loosening and tightening threadlocker-applied screws, apply the threadlocker again.
§
2
Turn ON the power.
TROUBLESHOOTING
Is an error indicated?
ＹＥＳ
Does the pilot lamp illuminate?
ＹＥＳ
Does an operation screen appear?
ＹＥＳ
Can the back light be adjusted by the knob on the
rear panel?
ＹＥＳ
Does the touch panel work?
ＮＯ
Check the indicated error.
ＮＯ
3.1 Pilot lamp does not illuminate
ＮＯ
3.2 Nothing appears on screen
ＮＯ
3.3 Back light can not be adjusted
ＮＯ
3.4 Touch panel does not work
ＹＥＳ
Does the set switch work?
ＹＥＳ
Does the remote control work?
ＹＥＳ
Do sounds come out of speaker?
ＹＥＳ
ＮＯ
3.5 Seat switch does not work
ＮＯ
3.6 Remote control does not work
ＮＯ
3.7 Sounds do not come out
2 - 2
Can the volume of speaker be adjusted by the
volume control on the rear panel?
ＹＥＳ
Does the irrigation pole move by irrigation pole
UP/DOWN switch on the rear panel?
ＹＥＳ
Does the printer work normally?
ＹＥＳ
Is data stored or read to the main body correctly?
ＹＥＳ
Is data stored or read to memory card correctly?
ＮＯ
3.8 Volume can not be adjusted
ＮＯ
3.9 Irrigation pole does not move by irrigation
pole UP/DOWN switch
ＮＯ
3.10 Printer does not work normally
ＮＯ
3.11 Memory inside of main body does not work
correctly
ＮＯ
3.12 Memory card does not work correctly
ＹＥＳ
Does the system start a cassette test and pass it
by inserting cassette?
ＹＥＳ
Can the cassette be removed by EJECT switch
while the cassette is inserted?
ＹＥＳ
Start the SYSTEM (cataract) test.
Is it passed?
ＹＥＳ
Start the US test.
Is it passed?
ＹＥＳ
ＮＯ
3.13 Cassette test is not passed
ＮＯ
3.14 Cassette can not be removed
ＮＯ
3.15 SYSTEM (cataract) test is not passed
ＮＯ
3.16 US test is not passed
Start the DIA test.
Is it passed?
ＹＥＳ
ＮＯ
3.17 DIA test is not passed
2 - 3
Does the foot switch work?
ＹＥＳ
Does the irrigation work correctly?
ＹＥＳ
Does the aspiration work correctly?
ＹＥＳ
Is US oscillation performed correctly?
ＹＥＳ
Is the diathermy output correctly?
ＮＯ
3.20 Foot switch does not work
ＮＯ
3.21 Irrigation does not move correctly
NO
3.22 Aspiration does not work correctly
ＮＯ
3.23 US oscillation is not performed correctly
ＮＯ
3.24 Diathermy output is abnormal
ＹＥＳ
Does the cutter (ANT) work correctly?
ＹＥＳ
Is it a surgical instrument for cataract and
vitrectomy?
Surgical instrument for
cataract and vitrectomy
ＹＥＳ
Select vitrectomy surgery screen.
Start the SYSTEM (vitrectmy) test.
Is it passed?
ＹＥＳ
ＮＯ
3.25 Cutter (ANT) does not work
ＮＯ
Is the power correct?
ＹＥＳ NO
End
ＮＯ
3.18 SYSTEM (vitrectomy) test is not passed
3.30 Check of power (P.S.board)
2 - 4
Start the PPL test.
Is it passed?
ＹＥＳ
Start the DIA test.
Is it passed?
ＹＥＳ
Does the cutter work correctly?
ＹＥＳ
Do scissors work correctly?
ＹＥＳ
Does FGX work correctly?
ＮＯ
3.19 PPL test is passed
ＮＯ
3.17 DIA test is passed
ＮＯ
3.26 Cutter (POST) does not work
NO
3.27 Scissors do not work correctly
ＮＯ
3.28 FGX does not work correctly
ＹＥＳ
Does the illumination work correctly?
ＹＥＳ
Is the power correct?
ＹＥＳ
End
ＮＯ
3.29 Illumination does not work correctly
ＮＯ
3.30 Check of the power (P.S. board)
§
3
SUB-TROUBLESHOOTING
3.1 Pilot lamp does not illuminate
Is power voltage proper?
Voltage 100Ｖ／115Ｖ／230Ｖ
ＹＥＳ
Is the power code connected correctly?
ＹＥＳ
Is the fuse blown?
Disconnect the power cord from a wall outlet for
checking the fuse.
ＮＯ
Are voltages between the power input terminals
of the noise filter and the power switch (turned
OFF) same as the power voltage?
ＹＥＳ
Turn ON the power switch.
Is the power voltage supplied to the transformer?
(Check by TB1, a terminal block.)
ＮＯ
ＮＯ
ＹＥＳ
ＮＯ
ＮＯ
Use a proper power voltage.
Usable input voltage is written on the rating plate.
Connect the power cord.
Repalce the fuse with the new one.
Disconnect the power cord from a wall outlet for
checking the fuse.
Failure of the noise filter is a probable cause.
Replace it with the new one. (See 4.16.)
Replace the power switch with the new one.
(See 4.17.)
ＹＥＳ
Is the secondary side voltage of transformer
normal?
Check the secondary side voltage with no load.
Between YEL and YEL : AC33V±10%
Between ORN and ORN : AC33V±10%
Between BLK and BLU : AC100V±10%
Between GRY and BLU : AC66V±10%
Between VIO and BLU : AC33V±10%
ＹＥＳ
Is the voltage on the P.S. board (BA04) normal?
See 3.1.1 Check of P.S. board.
ＹＥＳ
Disconnect the P618 from the BU CONNECT
board (BA06).
Is the voltage between 1st and 2nd pins of J618
+5V?
ＹＥＳ
ＮＯ
Replace the transformer with the new one.
(See 4.18.)
ＮＯ
Replace the P.S. board (BA04) with the new one.
(See 4.12.)
ＮＯ
Failure of the BU CONNECT board (BA06).
Replace it with the new one. (See 4.19.)
Failure of the pilot lamp.
Replace it with the new one. (See 4.44.)
3.1.1 Check of P.S. board
Is the input voltage to the board normal?
Disconnect terminals from the terminal block
(TB401) on the board and check voltages.
Between YEL and YEL : AC35V±10%
Between ORN and ORN : AC35V±10%
ＹＥＳ
Connect terminals disconnected from the terminal
block (TB401).
Disconnect all connectors.
Is the input voltage to the board normal?
Check voltages of terminal block (TB401) on the
board.
Between 1 and 2 : AC35V±10%
Between 3 and 4 : AC35V±10%
Check the input voltage of transformer. If it is
ＮＯ
normal, replace the transformer with the new one.
(See 4.17.)
Failure of the P.S. board (BA04) is a probable
ＮＯ
cause. Replace the board with the new one.
(See 4.12.)
3 - 2
ＹＥＳ
Check voltages between GND and each TP while
connecting only TB401.
Is voltages on the P.S. board (BA04) normal?
TP2 ： +12V (+11.5 ～ +12.5V）
TP3 ： +28V (+27.5 ～ +29.0V）
TP4 ： -28V (-27.5 ～ -29.0V）
TP6 ： +12V (+11.9 ～ +12.1V）
TP7 ： -12V (-11.9 ～ -12.1V）
TP8 ： +6V (+5.0 ～ +6.0V）
TP9 ： +5V (+4.8 ～ +5.2V）
TP10 ： +24V (+22.0 ～ +26.0V）
ＹＥＳ
Connect all removed connectors and check
voltages between GND and each TP.
Is voltages on the P.S. board (BA04) normal?
TP2 ： +12V (+11.5 ～ +12.5V）
TP3 ： +28V (+27.5 ～ +29.0V）
TP4 ： -28V (-27.5 ～ -29.0V）
TP6 ： +12V (+11.9 ～ +12.1V）
TP7 ： -12V (-11.9 ～ -12.1V）
TP8 ： +6V (+5.0 ～ +6.0V）
TP9 ： +5V (+4.8 ～ +5.2V）
TP10 ： +24V (+22.0 ～ +26.0V）
ＮＯ
Failure of the P.S. board (BA04) is a probable
cause. Replace it with the new one. (See 4.12.)
Not only the failure of P.S. board (BA04) but
ＮＯ
other failures of board or unit are probable
causes.
Check other symptoms.
ＹＥＳ
The P.S. board (BA04) is normal.
3.2 Nothing appears on screen
3 - 3
Does the irrigation pole move up and down by the
irrigation pole UP/DOWN switch on the rear
ＮＯ
3.2.1 Communication error of screen
panel?
ＹＥＳ
ＹＥＳ
Can the error beep be heard? 3.2.1 Communication error of screen
ＮＯ
Does the back light illuminate?
ＹＥＳ
The screen becomes black if the back light does
not illuminate.
ＮＯ
Disconnect the connector (P201) from the
DISPLAY board and check the voltage.
Is the voltage normal?
Between 1 and 2 (0V) of P201 : +5V
Between 3 and 4 (0V) of P201 : +12V
ＹＥＳ
ＮＯ
Failure of the power is a probable
cause.
Check the cable and the P.S. board.
(See 3.1.1 Check of P.S. board.)
Are J205 (DISPLAY board) and CN1 (inverter)
connected by a cable?
ＹＥＳ
Are CN2 and 3 of inverter connected to the LCD
back light?
ＹＥＳ
Failure of the LCD back light or the inverter.
Replace either of them with the new one.
(See 4.6.)
Is the cable between the LCD and the display
board connected?
ＹＥＳ
Failure of the LCD or the display board are
probable causes.
Replace either of them with the new one.
(See 4.7.)
ＮＯ
Connect them.
ＮＯ
Connect them.
ＮＯ
Connect them.
3.2.1 Communication error of the screen
Turn OFF the dip switch (SW1) on the MAIN board
and turn ON the power again.
3 - 4
Is an error indicated? Check the indicated error.
ＮＯ
Is the flat cable connected to the main body
correctly?
MAIN board (P304) － DRIVER board (P502)
DRIVER board (P503) － DRIVER board (P202)
ＹＥＳ
Failure of the MAIN board or the DISPLAY board are
probable causes.
Replace either of them with the new one.
(See 4.7 and 4.8.)
ＹＥＳ
NO
Connect the flat cable correctly.
3.3 Back light can not be adjusted
Does the brightness of back light change by turning
the back light control knob on the rear panel?
ＹＥＳ
Normal
ＮＯ
Does the voltage of TP7 (BACKLIGHT) change by
turning the back light control knob?
ＹＥＳ
Does the voltage of TP9 change by turning the back
light control knob?
ＹＥＳ
Failure of the inverter or the LCD back light are
probable causes.
Replace either of them with the new one. (See 4.6.)
Failure of cables among back light control
ＮＯ
volume, the VR board and the DISPLAY board.
Replace the VR board or the cable with the
new one.
ＮＯ
Failure of the DISPLAY board.
Replace it with the new one. (See 4.7.)
3.4 Touch panel does not work
3 - 5
Does the touch panel work normally?
Is there no torn, worn or dented part on the
ＮＯ
Replace the LCD unit with the new one.
surface?
ＹＥＳ
ＮＯ
Is PJ204 connected correctly? Connect it correctly.
ＹＥＳ
Turn OFF the power to check.
ＮＯ
Is the resistance between TP2 and 3 several kΩ?
ＹＥＳ
Is the resistance between TP5 and 6 several kΩ?
ＹＥＳ
Failure of the touch panel is a probable cause.
Replace the LCD unit with the new one.
ＮＯ
Failure of the touch panel is a probable cause.
Replace the LCD unit with the new one.
Is the resistance between TP1 and 6 more than
10 kΩ? Does it change to several kΩ by pressing
the touch panel?
ＹＥＳ
Is the resistance between TP3 and 4 more than
10 kΩ? Does it change to several kΩ by pressing
the touch panel?
ＹＥＳ
The touch panel is probably normal.
Replace the DISPLAY board with the new one.
(See 4.7.)
ＮＯ
Failure of the touch panel is a probable cause.
Replace the LCD unit with the new one.
ＮＯ
Failure of the touch panel is a probable cause.
Replace the LCD unit with the new one.
3.5 Seat switch does not work
ＮＯ
Does the touch panel work?
ＹＥＳ
3 - 6
Failure of the DISPLAY board or other units.
Replace the DISPLAY board or check other items.
(See 4.7.)
Does a mode change or the beep sound by
operating the switch on the seat switch?
If a volume is at low level, the beep can not be
heard.
ＮＯ
Is the connection terminal of seat switch
connected to the connector (J206) on the
DISPLAY board?
ＹＥＳ
Replace the seat switch with the new one.
Is it possible to operate by the seat switch?
ＹＥＳ
The cause was failure of the seat switch.
ＹＥＳ
ＮＯ
ＮＯ
Normal.
Refer to the operator's manual and check the
operating procedures.
Connect the terminal of seat switch to the
connector.
Failure of the DISPLAY board.
Replace it with the new one. (See 4.7.)
3.6 Remote control does not work
Failure of DISPLAY board or the other units.
ＮＯ
Does the touch panel work?
ＹＥＳ
Is the power of remote control turned ON by
pressing the power switch of remote control?
ＹＥＳ
Are codes of remote control and RC of the main
body same?
Replace the DISPLAY board or check the other
items. (See 4.7.)
Replace batteries of remote control with the new
ＮＯ
one.
If the power is not turned ON even replacing
batteries, it shows failure of remote control itself.
Use a same cord for remote control and RC of the
main body.
ＮＯ
The cord for remote control is set by the dip
switch in batteries of remote control. The cord
for the main body is set on the CUSTOM screen.
3 - 7
ＹＥＳ
Are there any other infrared light on the
photoreceptor of the display unit?
ＮＯ
Is the cable of RECEIVER board connected to
J210 on the DISPLAY board?
ＹＥＳ
Connect the photoreceptive signal between R5
and R6 on the DISPLAY board to the oscilloscope.
Does the photoreceptor receive remote control
signal and input the signal to the oscilloscope?
ＹＥＳ
Failure of the DISPLAY board.
Replace it with the new one. (See 4.7.)
ＹＥＳ
ＮＯ
ＮＯ
Eliminate the infrared light.
Connect the cable.
Failure of the remote control or the RECEIVER
board on the display unit are probable causes.
Replace either of them with the new one.
(See 4.21.)
3.7 Sounds do not come out
3 - 8
Is the volume control knob at proper position?
No sounds can be heard if the knob is turned to
the lowest level.
ＹＥＳ
ＹＥＳ
Can the beep sound be heard by pressing
switches?
ＮＯ
Is the cable from speaker connected to J308 on
the MAIN board?
ＹＥＳ
Is the resistance between 1st and 2nd pins of
P308 connector of speaker 7 to 8Ω?
ＹＥＳ
Failure of the MAIN board.
Replace it with the new one. (See 4.8.)
ＮＯ
Turn the volume control knob to proper
position.
ＮＯ
Connect the cable.
ＮＯ
Failure of speaker.
Replace it with the new one. (See 4.22.)
Is sound output set ON?
Check the sound output setting by VOICE on the
CUSTOM screen.
ＹＥＳ
Input sound data from the sound card on the
service screen. Do sounds become normal?
ＹＥＳ
End
3.8 Volume can not be adjusted
Does the voltage of TP8 (VOLUME) on the
DISPLAY board change by turning the volume
control knob?
ＹＥＳ
ＮＯ
Set the sound setting to ON.
ＮＯ
Failure of the MAIN board. (See 4.8.)
ＮＯ
Failure of the VR board.
Replace it with the new one. (See 4.20.)
Failure of the volume control circuit on the MAIN
board is a probable cause.
Replace the MAIN board with the new one.
(See 4.8.)
3 - 9
3.9 Irrigation pole does not move by irrigation UP/DOWN
switch
ＮＯ
Does the irrigation pole move up and down by
the LCD touch panel?
ＹＥＳ
Disconnect P310 from the MAIN board and
check switch operation.
Is switch contact turned ON or OFF correctly
by operating the irrigation pole UP/DOWN
switch?
ＹＥＳ
Failure of the MAIN board.
Replace it with the new one.
Is the limit switch (micro switch) on the upper
side or the lower side of the irrigation pole
turned ON?
ＮＯ
ＮＯ
ＹＥＳ
Failure of the irrigation pole UP/DOWN switch.
Replace it with the new one. (See 4.23.)
The irrigation pole does not move since it
comes to the limit position.
Check the limit switch or adjust the pole
position. (See 4.9.) Moreover, the pole can
not move since the upper side or lower side of
the irrigation pole is bitten in some cases.
Is the signal of limit switch of the irrigation
pole turned ON?
ＭＡＩＮ board
UP LIMIT SW：IC20-2 pin 0V=ON, 5V=OFF
DOWN LIMIT SW ：IC20-3 pin 0V=ON, 5V=OFF
ＮＯ
Is the indication of irrigation height within the
working range?
ＹＥＳ
Is the control signal output by pressing the
irrigation pole UP/DOWN switch?
ＭＡＩＮ board
UP SW ：IC21-19 pin 0V=ON､5V=OFF
DOWN SW ：IC20-18 pin 0V=ON､5V=OFF
ＢＵ ＣＯＮＮＥＣＴ board
UP SW ：IC2-12 pin 0V=ON､12V=OFF
DOWN SW ：IC2-11 pin 0V=ON､12V=OFF
ＹＥＳ
Ａ
ＹＥＳ
ＮＯ
ＮＯ
Failure of the limit switch is a probable cause.
Check the limit switch or the signal line.
The irrigation pole moves up and down only
within the working range.
Ajdust the potentiometer if the height position
is not correct. (See 5.10.)
Failure of the MAIN board or the BU
CONNECT board are probable causes.
Replace the board with the new one.
(See 4.8. and 4.19.)
3 - 10
Ａ
Is AC100V supplied to the POLE CONTROL
board?
Check the voltage between 1st and 3rd pins of
P712 is AC100V.
ＹＥＳ
Is the connector on the POLE CONTROL board
connected correctly?
ＹＥＳ
Press the irrigation pole UP switch.
Is the relay (RY1) on the POLE CONTROL board
turned ON? Is the AC100V supplied between 1st
and 4th pins of J706 connector?
ＹＥＳ
Press the irrigation pole DOWN switch.
Is the relay (RY2) on the POLE CONTROL board
turned ON? Is the AC100V supplied between 2nd
and 4th pins of J706 connector?
ＮＯ
ＮＯ
ＮＯ
ＮＯ
The transformer or the input power is abnormal.
Check the input power or replace the transformer
with the new one. (See 4.18.)
Connect it correctly.
Failure of the POLE CONTROL board is a
probable cause.
Replace the board with the new one. (See 4.25.)
Failure of the POLE CONTROL board is a
probable cause.
Replace the board with the new one. (See 4.25.)
ＹＥＳ
Does the AC motor rotate by pressing the
irrigation pole UP/DOWN switch?
ＹＥＳ
Does the irrigation pole move up and down if the
AC motor for the irrigation pole rotate?
ＹＥＳ
Normal.
Failure of the AC motor.
ＮＯ
Replace the AC motor or the condenser for motor
(C1) with the new one. (See 4.10 and 4.36.)
The gear or the belt of the motor may be
ＮＯ
abnormal.
Check them.
3.10 Printer does not work normally
3 - 11
Is paper loaded to the printer? Load paper to the printer.
ＮＯ
ＹＥＳ
ＹＥＳ
Is it possible to print by the PRINT switch on the
rear panel?
ＮＯ
Is it possible to print by the PRINT switch on the
touch panel?
ＮＯ
Is the connector on the MAIN board (J312)
connected correctly?
ＹＥＳ
ＹＥＳ
ＮＯ
Replace the PRINT/FEED switch (BA29) or
the cable (EA41) with the new one.
(See 4.24.)
Connect it.
Failure of the printer, the board (BA08) or the
MAIN board are probable causes.
Replace the printer or the board with the new
one. If the symptom is not solved, replace the
MAIN board with the new one. (See 4.8. and 4.14.)
Are date and time printed correctly?
ＹＥＳ
Failure of the printer, the board (BA08) or the
MAIN board are probable causes.
Replace the printer or the board with the new
one. If the symptom is not solved, replace the
MAIN board with the new one. (See 4.8 and 4.14.)
ＮＯ
Set time on the CUSTOM screen.
3 - 12
3.11 Memory inside of main body does not work correctly
Is the Store switch pressed to store the contents
of program?
ＹＥＳ
Failure of the MAIN board or the flash memory are
probable causes. Replace the board with the new
one. (See 4.8.)
ＮＯ
Press the Store switch to store the program to
the flash memory.
3.12 Memory card does not work correctly
Is the memory card for programming inserted? Insert the memory card for programming.
ＹＥＳ
Does the memory card operation screen appear
by pressing the memory card switch?
ＹＥＳ
ＮＯ
ＮＯ
The memory card is not recognised for use in
programming. Check the memory card.
Is it possible to write to the memory card?
ＹＥＳ
Replace the memory card with the new one.
Does it work normally?
ＮＯ
Is the cable between the MAIN board and the
CARD board connected correctly?
ＹＥＳ
Failure of the MAIN board (BA03) or the CARD
board (BA24) are probable causes. Replace the
board with the new one. (See 4.8 and 4.38.)
ＮＯ
ＹＥＳ
ＮＯ
The memory card may be protected.
Unprotect the card.
Breakage of the memory card is a probable cause.
Connect it correctly.
3.13 Cassette test is not passed
ＮＯ
Insert the cassette. Does the cassette loading
start?
ＹＥＳ
3 - 13
Replace the cassette with the new one. Is the
cassette test passed?
ＮＯ
Does an error occur when the cassette test is
finished?
ＮＯ
Normal
ＹＥＳ
Does the screen change to the cassette test by
inserting the cassette?
ＮＯ
Is the continuity between 1st and 2nd pins of
P515 connected to the DRIVER board turned ON
from OFF by inserting the cassette?
ＹＥＳ
ＹＥＳ
ＮＯ
Failure of the cassette is a probable cause.
Check the cause of error from the error
code.
Failure of the microswitch (SW56) is a
probable cause.
Replace it or check soldering. (See 4.26.)
ＹＥＳ
Is the continuity between 1st and 2nd pins of
P516 connected to the DRIVER board turned ON
from OFF by inserting the cassette?
ＹＥＳ
Failure of the DRIVER board is a probable cause.
Replace it with the new one. (See 4.29.)
Failure of the DRIVER board is a probable cause.
Replace the board with the new one. (See 4.29.)
ＮＯ
Failure of the microswitch (SW58) is a
probable cause.
Replace it or check soldering. (See 4.26.)
3.14 Cassette can not be removed
3 - 14
ＹＥＳ
Is the continuity of the cable between the
DRIVER board and the EJECT switch normal?
ＹＥＳ
Does the 3rd pin of IC3 on the DRIVER board
change from 5V to 0V by pressing the EJECT
switch?
ＮＯ
Disconnect the P524. Does the continuity
between 5th and 7th pins of P524 change by
pressing the EJECT switch?
ＹＥＳ
Ｂ
Does the CASSETTE EJECT LED change from
ＹＥＳ
lighting up to blinking by pressing the EJECT
siwtch?
ＮＯ
ＹＥＳ
Is the state of the poistion O indicated while the
foot switch is not pressed on the screen?
ＮＯ
ＮＯ
Replace or repair the cable.
ＮＯ
Replace the board of the EJECT switch
with the new one. (See 4.27.)
Disconnect the connector of the foot switch and
press the EJECT switch. Is it possible to remove
the cassette?
ＹＥＳ
Failure of the foot switch.
Does the DC motor of EA38 rotate?
ＹＥＳ
Does the cassette move down?
ＹＥＳ
Are all pinch valves turned up?
ＮＯ
Do pinch valves move by replacing the unmoving
valves?
If there is no pinch valve to replace, connect to
the connector of other pinch valve and check the
operation.
ＹＥＳ
ＮＯ
ＮＯ
ＮＯ
ＹＥＳ
ＮＯ
Failure of the cable and the board (BU
CONNECT board) between the foot switch
connector and the MAIN board. (See 4.19.)
Ａ
Replace the control unit (18214-1130) with
the new one. (See 4.11.)
Replace the control unit (18214-1130) with
the new one. (See 4.11.)
Ｃ
Replace the pinch valve with the new one.
(See 4.39.)
3 - 15
Ａ
Does the 24V of voltage occur between 1st
and 2nd pins of J513 while ejecting the
cassette by the EJECT switch?
Ｃ
ＮＯ
Is DC 24V supplied to the 7th pin of P501?
Ｂ
ＹＥＳ
Is DC 5V supplied to the 1st pin of P501?
ＹＥＳ
Failure of the DRIVER board, the MAIN board
or the cable between boards.
Replace either of them with the new one.
(See 4.8 and 4.29.)
ＹＥＳ
Failure of the DC motor (EA38) or the loading
mechanism. Replace the control unit (18214-
1130) with the new one. (See 4.11.)
Failure of the power cable (EA34) to the DRIVER
ＮＯ
board, or the power. Replace the cable with the
new one or check the power following the item of
power. (See 3.30.)
Failure of the power cable (EA34) to the DRIVER
ＮＯ
board, or the power. Replace the cable with the
new one or check the power following the item of
power. (See 3.30.)
3.15 SYSTEM (cataract) test is not passed
3.15.1 SINGLE CASSETTE
3 - 16
Does the ERROR CODE E200 No.17
appear on the screen?
NO
Does the ERROR CODE E200 No.31
appear on the screen?
NO
A
YES
Is the connection set removed during a test?
YES
Eject the cassette once. Start SYSTEM TEST again
after connecting the connection set.
YES
Are each conductors of EA44 continuous?
NO
Replace the EA44 with the new one.
Shade the each photointerrupters of BA28. Do the 2nd,
3rd and 4th pins of IC4 on the DRIVER board (BA05)
change ON or OFF?
NO
Replace the TUBE SENS board (BA28) with the new one.
(See 4.28.)
Replace the DRIVER board (BA05) with the new one.
(See 4.29.)
YES
Does the ERROR CODE E307 appear simultaneously?
YES
Failure of EA39 or the DRIVER board (BA05).
(See 4.29.)
NO
YES
NO
YES
Does the aspiration motor rotate
while all pinch valves are closed?
NO
Failure of the pinch valve. Check
the pinch valve following the item of
irrigation and aspiration.
(See 3.21 and 3.22.)
An air leakage of the cassette is a
probable cause. Replace the
cassette with the new one.
Select a mode on the service mode. Does the aspiration
YES
pressure change by pressing the aspiration sensor with a
hand?
NO
Is DC5V supplied to the 1st pin of J262 on the VACUUM
SENS board (BA26)? (See 4.37.)
NO
YES
Are each conductors of EA46 continuous?
NO
Failure of EA46.
Failure of the VACUUM SENS board (BA26).
(See 4.37.)
Select a mode in the service mode while the cassette is
YES
not inserted and press the load cell with a hand. Does
the voltage of TP1 on the VACUUM SENS board (BA26)
change?
NO
Failure of the EA31. Replace it with the new one.
Failure of the VACUUM SENS board (BA26) or EA31.
Replace or readjust either of them. (See 4.37 and 5.11.)
YES
3 - 17
A
Does the ERROR CODE E200 No.32 appear
on the screen?
NO
Does the ERROR CODE E200 No.33 appear
on the screen?
NO
YES
An air leakage of the cassette is a probable
cause. Replace the cassette with the new one.
YES
Does the VENT VALVE work?
NO
Failure of the pinch valve. Check the pinch valve
following the item of irrigation and aspiration.
(See 3.21 and 3.22.)
YES
Is the flow rate control of transfusion tube
closed?
NO
Is the opening for air intake of spike of transfusion
tube closed?
YES
Open the opening for air intake or insert the
needle. And then, perform SYSTEM TEST again.
The cassette is probably clogged. Replace the
cassette with the new one.
YES
NO
Does the ERROR CODE E200 No.34 appear
on the screen?
NO
B
Open the flow rate control and perform SYSTEM
TEST again.
Are the aspiration line, the irrigation line,
YES
handpiece and the test chamber connected
securely?
NO
Connect the aspiration line, the irrigation line,
handpiece and the test chamber securely.
YES
Does the IRR1 valve work normally?
NO
Check the pinch valve following the item of
irrigation. (See 3.21.)
The cassette is probably clogged. Replace the
cassette with the new one.
YES
3 - 18
B
YES
Does ERROR CODE E200 No.35 appear? Does the ASP1 valve work normally?
NO
NO
Check the pinch valve following the item of
aspiration. (See 3.22.)
The cassette or handpiece is probably clogged.
YES
Does ERROR CODE E200 No.36 appear?
NO
Is the connection set inserted securely?
NO
Insert the connection set securely and perform
SYSTEM TEST again.
An air leakage of cassette is a probable cause.
Replace the cassette with the new one.
YES
Does ERROR CODE E200 No.42 appear?
NO
Does the cassette loader work?
NO
Check the control unit following the item that
cassette can not be removed. (See 3.14.)
C
YES
Are each conductors of EA44 continuous
securely?
YES
YES
YES
NO
Replace the EA44 with the new one.
Failure of the CASSETTE SENS board (BA27) or
the adjustment failure of the control unit.
Replace the control unit or BA27, and readjust
the replaced one. (See 4.11, 4.30 and 5.11.)
3 - 19
C
Does the ERROR CODE E200 No.43
appear?
NO
Does the ERROR CODE E200 No.44
appear?
NO
YES
Does the drainage bag come to the limit?
YES
Replace the cassette with the new one.
NO
Is the problem solved by replacing the cassette?
YES
Failure of the cassette. Readjust the control unit
if the error frequently occurs. (See 4.11.)
Readjust the control unit. (See 5.11.)
YES
Does the cassette loader work?
NO
Check the control unit following the item that
cassette can not be removed. (See 3.14.)
NO
YES
Does the ERROR CODE E210 appear?
NO
If the switch of SYSTEM TEST can not be
pressed, it means occurrence of an error.
Follow the indicated error code to solve it.
YES
Are each conductors of EA44 continuous
securely?
NO
Replace the EA44 with the new one.
Failure of the CASSETTE SENS board (BA27) or
adjustment failure of the control unit. Replace
the control unit or BA27, and readjust the
replaced one. (See 4.11, 4.30 and 5.11.)
YES
Check the ultrasound oscillation part following the
item of TEST US.
3.15.2 ANT DUAL CASSETTE
3 - 20
Does the ERROR CODE E200 No.17
appear?
NO
Does the ERROR CODE E200 No.31
appear?
NO
A
YES
Is the connection set removed during TEST?
YES
Eject the cassette once. Perform SYSTEM TEST
again while connecting the connecting set.
YES
Are the each conductors of EA44 continuous?
NO
Replace EA44 with the new one.
Shade the each photointerrupters of BA28. Does
the 2nd, 3rd and 4th pins of IC4 of BA05 change
to ON or OFF?
NO
Replace BA28 with the new one. (See 4.28.)
Replace BA05 with the new one. (See 4.29.)
YES
Does ERROR CODE E307 appear simultaneously?
YES
Failure of EA39 or BA05. (See 4.29.)
NO
YES
NO
YES
Does the aspiration motor rotate while the
pinch valve is fully opened?
NO
Failure of the pinch valve. Check the pinch
valve following the item of irrigation and
aspiration. (See 3.21 or 3.22.)
An air leakage of the cassette is a probable
cause. Replace the cassette with the new
one.
Select a mode in the service mode and press the
YES
aspiration sensor with a hand. Does the
aspiration pressure change?
NO
Is DC5V supplied to the 1st of J262 of BA26?
NO
YES
Are each conductors of EA46 continuous?
NO
Failure of EA46.
Failure of BA26. (See 4.37.)
Select a mode without inserting a cassette and
YES
press the load cell with a hand. Does the voltage
of TP1 of BA26 change?
NO
Failure of EA31. Replace it with the new one.
Failure of BA26 or EA31. Replace or readjust
either of them (See 4.37 and 5.11.)
YES
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