Diesse VES-MATIC EASY, Service Manual, Page: 33 / 76

Service Manual
[33/76] 27 Rev.1.1 of 15/04/2017
(The initial operations are carried out incorrectly)
Overall effect
Message on the display
RTC FAILURE (Clock error)
Type of fault The programme fails to read or update the date and time. There is probably
a communications breakdown between the component housing the
programme and the component that memorises the date and time.
Modules affected CPU board [4.2.]
Checks recommended
▪
Check the power supplies on the CPU Board.
▪
Reset the CPU Board [Attachment B: Updating of Software]
Corrective Action to be
taken
▪
Replace the CPU Board code 30119871.
Overall effect
Message on the display
UNCALIBRATED (Sensors uncalibrated)
Type of fault The instrument has lost the adjustment values of the optoelectronic units.
This is probably due to the fact that the programme fails to detect valid
values in the EEPROM. BY pressing
OK these values will be restored at the
default values unless other problems also exist.
Modules affected CPU board [4.2.]
Checks recommended
▪
Check the power supplies on the CPU board.
▪
Recalibrate the optoelectronic units and by turning off and turning on the
instrument again, check that the calibration values are saved correctly
[use the Print Settings functions].
▪
Reset the CPU Board [Attachment B: Updating of Software]
Corrective Action to be
taken
▪
Replace the CPU board code 30119871.
Overall effect
Message on the display
EEPROM FAILURE
Type of fault The instrument has lost the data relating to the analysis memorised in the
archive. This is probably because on turning on the instrument the
programme fails to detect valid values in the archive save on the EEPROM.
By pressing
OK the archive will be formatted (the Procedure last
approximately 20 seconds).
Modules affected CPU Board [4.2.]
Checks recommended
▪
Check the power supplies on the CPU board.
▪
Carry out an analysis cycle with valid test tubes. At the end, turn the
instrument off and on again and use the Print Archive function (see
Operating Manual), to check that the analysis results are correctly save in
EErprom.
▪
Reset the CPU Board [Attachment B: Updating of Software]