
7
7
7
7----1
1
1
1
7. Instrument Diagnostics
Diagnostic routines in the software provide troubleshooting capability not only
in manufacturing, but also in field service and user maintenance.
These routines check the following elements of the electronic and fluid systems.
•
Probe current. Buffer and reference fluid cycles are independently accessible to
monitor probe current change.
•
Sample chamber temperature
•
Injection switch status
•
Motors. The pump motors and stir motor can be run separately or
simultaneously.
•
RS232. A test data string is sent over the serial communications link.
•
Printer. A print test form is sent over the infrared data link.
•
Keypad. Each key can be verified for performance.
•
Display. A diagnostic routine checks every LCD segment for failure.
•
Battery. Battery voltage can be monitored on the display.
7.1 Checking Probe Current
Go to Main menu by pressing MENU
MENU
MENU
MENU until you see:
RUN
RUN
RUN
RUN----0 RECALL
0 RECALL
0 RECALL
0 RECALL----1
1
1
1
SETUP
SETUP
SETUP
SETUP----2 DIAG
2 DIAG
2 DIAG
2 DIAG----3
3
3
3
Select Diagnostics by pressing 3
3
3
3, then ENTER
ENTER
ENTER
ENTER.
PROBE
PROBE
PROBE
PROBE----0 TEMP
0 TEMP
0 TEMP
0 TEMP----1
1
1
1
INJ SW
INJ SW
INJ SW
INJ SW----2 MORE
2 MORE
2 MORE
2 MORE----3
3
3
3
Select Probe by pressing ENTER
ENTER
ENTER
ENTER.
PRO
PRO
PRO
PROBE
BE
BE
BE----0
0
0
0
REF
REF
REF
REF----1 BUF
1 BUF
1 BUF
1 BUF----2
2
2
2
To display the probe current, press ENTER.
ENTER.
ENTER.
ENTER. The display will read:
Summary of Contents for 1500 Sport
Page 2: ......
Page 8: ...1 1 1 1 2 2 2 2 ...
Page 46: ...5 5 5 5 1 1 1 12 2 2 2 ...
Page 68: ...6 6 6 6 22 22 22 22 ...
Page 78: ...7 7 7 7 10 10 10 10 ...
Page 86: ......
Page 100: ...9 9 9 9 14 14 14 14 ...
Page 114: ...12 12 12 12 4 4 4 4 ...
Page 116: ...13 13 13 13 2 2 2 2 ...
Page 122: ...14 14 14 14 6 6 6 6 ...
Page 124: ...15 15 15 15 2 2 2 2 ...
Page 126: ...16 16 16 16 2 2 2 2 ...
Page 128: ...17 17 17 17 2 2 2 2 ...
Page 132: ...18 18 18 18 4 4 4 4 ...