Diagnostic Operation - Casio QT-2100 Service Manual

9. DIAGNOSTIC OPERATION

9-1 .To start the diagnostic operation
1. Power off.
2. While holding down the button on the upper left corner, turn the power on.
3. Release the button when the main display on.
4. Input "99990000" and press [SUB TOTAL].
5. Diagnostic program is executed.
9-2. Check item
The following test can be checked in the diagnostic test.
No Device to be checked
1 Series test
RAM write/read test
2
RAM read only test
3 Flash ROM check sum
4 Flash clear & write/read test
5 CF-CARD write/read test
6 CF-CARD read only test
7 CF-CARD clear test
8 CF-CARD clear & write/read test
9 LCD test
10 LCD Back Light OFF test
11 Rear Display test
12 Remote Display test
13 Printer test
14 RS232C port test
15 In-line (ARCNET) test
16 In-line (ARCNET) batch test
17 Date time set test
18 Drawer open test
19 Buzzer test
20 Running test
21 Key display test
22 OBR (Scanner) test
23 MCR test
24 To exit the diagnostic mode
[LCD]
DALLAS 1123456789abcdefg
DRW1 CLOSE
0000
Operation
Printer, Date, Time, Drawer
xxxn03d
rllmmx0a51
150 (Send)
xxxxxx0a70
— 39 —
MENU SHEET 1
DRW2 CLOSE
1234
Test Device : RAM, Flash, LCD,
1
xn011
xn111
n512
n612
n013
n113
n213
n313
n021
121
na22
na23 Use COM3 Port
Use RS232C Port and Printer
xn04d Use Ioop back connector
250 (Receive)
xn091
n092
93
94
95
96
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