Nipro SURDIAL, Руководство по обслуживанию, Страница: 158 / 334

8.6-4
TOP
BOTTOM
ROM
ܭ
CAUTION
z Replace main board or ROM after turning off power SW of machine under care not to be
charged with static electricity.
z After the board replacement, re-input set values. It should be noted that the values found in
maintenance modes 5 and 6 are specific to machine. (Refer and use 12.3)
(1) Turn on power SW of machine and record all set values.
(2) Turn off power SW of machine.
(3) Remove right cover from upper part of machine and right cover from DENSO box.
(4) Remove ROM using tool specially designed for the removal.
(5) Prepare new ROM.
(6) Attach the new ROM under care that it is positioned correctly
and pins of it are not damaged.
(7) Turn on power SW of machine.
(8) If ROM of different version is attached, initialization alarm is
actuated.
(9) Input all the set values recorded at step (1).
(10) If EEPROM initialization alarm is actuated, adjust concentration
as per the procedure specified in “10.16. Adjustment of
concentration”.
(11) Check correct function of machine.
(12) Return the removed covers to the original positions.
Fig. 8.6-3 Attachment of ROM