Diagnostics Mode - NCI 6702 User Manual

Diagnostics Mode

Diagnostic (dIAG)
Mode
Step-by-Step
Instructions for
dIAG Mode
The diagnostic (dIAG) mode menu lets you test specific areas of the scale's function.
These areas are:
Display (dISP) -
RAM (rA)
ROM (rO)
Input/Output (I/O)
Division, Test w/AZT (divA)
Division, test w/o / AZT (divn)
Follow these steps to access and the tests in the dIAG menu.
1. From normal weighing mode , move
switch 1to the Menu Mode or OPEN
position. (See Figures 1 & 2)
2. Press the TEST key. . .
3. Press the TEST key to perform
the display test described earlier. .
4. Press the ZERO key . . .
- Shows the version and revision of the
software, followed by a display segment
test.
- Performs a non-destructive test of RAM
in the processor. Displays pASS or fAIL.
- Performs a checksum of all locations in
ROM in the processor. Displays pASS
or fAIL.
- Data is output by the scale and through
the use of a loopback connector the data
is immediately read back into the receive
channel and verified against what was sent.
PASS or FAIL is displayed. Requires a jumper
(short) between transmit & receive data lines.
- Weight data is normalized to 120,000
counts of displayed resolution. AZT is
enabled.
- Weight data is normalized to 120,000
counts of displayed resolution. AZT is
disabled.
Display shows dIAG.
dISP is displayed. This stands for
display.
Display test is performed and the
shows dISP after the test is
completed.
rA is displayed. This stands for the
RAM test.
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