Toshiba f99b533 Service Note

BSI(Service Note) TOSHIBA

TOSHIBA TEC CORPORATION

2-4-1, Shibakoen, Minato-ku, TOKYO, 105-8524 JAPAN

BSI No

F99B533

SUBJECT

Correction of Software Error

MODEL

CATEGORY

Other

(perform for each adjustment)

CONTENT

As it has been found the following error (soft error), each part for ROM in New version A7 reform should be used. (Master ROM is supplied. There is no change in the Parts List.) ROM versions have Ver.68 and A7, it does not occur in Ver. 97 (FC-70 software change history is shown in list 2.)

[Error Content]

When the total counter value in the Service mode and User mode is output as in the list, the error counter values occur in the following list 1. (The counter value in the control panel is normally displayed.)

FC70

FIELD APPLICATION

Others

FACTORY APPLICATION

Date

UNIT

Software

99/03/12

----

[List 1]

Correct Counter Value

: 32767 32768 32769 32770

: 65536 65537

: 98303 98304

The above error is repeated in 32768 count cycle. [List 2]

FC-70 Change History of Software (ROM Version)

P-I Part Name Ver.68 Ver.97 Ver.A7 6-8 IC ( IC93C ) 4402424450 4402429000 4402428040 6-9 IC ( IC94C ) 4402424460 4402429010 4402428050

Related Number in BSI F97E918 F97G950 F99B515

Application serial number at the factory UA710061 UE710271 UB810546

Countermeasure to error occurring Available Not available Available

Counter Value during Output List

32767

-32768

-32767

-32766 :

0 1

32767

-32768