11
7
Troubleshooting
7-1
General description of boards
7-2
Error message ‘RETRY’ appears
7-3
Error message ‘EEPROM fault’ appears
7-4
Error message ‘Motor fault’ appears
7-5
Error message ‘Printer head heat over’ appears
7-6
Error message ‘Paper empty’ appears
7-7
Error message ‘Printer cutter fault’ appears
7-8
Nothing is displayed on the screen when turning the power on
7-9
No responses even though pressing switches
7-10
Result is not printed out/printout is not normal
7-11
Ref measurement LED does not light up
7-12
Cannot see the fixation target
7-13
Illumination LED does not light up
7-14
Kerato LED does not light up
7-15
The fixation target LED for P.K. measurement does not light up
7-16
3 axes motor does not work even though operating a joystick
7-17
Chin rest does not move
7-18
Cannot communicate with PC
7-19
No power outlet
7-20
Abnormal measurement value of model eye ASSY
Summary of Contents for AKR 750
Page 1: ...Auto kerato refractometer Maintenance Manual V1 09 2016 ...
Page 6: ...4 Block Diagram ...
Page 7: ......
Page 8: ...8 ...
Page 66: ...65 ...