CHAPTER 7 - Troubleshooting
7-1
CHAPTER 7 - TROUBLESHOOTING
A Brief Description of
Chapter 7
Chapter 7 covers troubleshooting and problem resolu-
tion. Maintenance personnel and users should be
familiar with Chapter 7 before attempting to repair the
HI 1756-WS or HI 1756-2WS.
Scale LED stays off
when Performing a C2
Calibration with The
Button
If the scale LED does relight when running C2
Cali-
bration (pressing the button), there is probably a hard-
ware problem. Contact Hardy Customer Support for
assistance.
Scale LED is Flashing
Red
Solution: Check all the connections to be sure they
are securely fastened. Securely fasten any loose con
-
nections.
Return Codes When any command is sent to the HI 1756 WS mod-
ule using an MSG instruction, a returned status indi-
cates whether the module passed or failed. It also
provides a reason code if it failed.
Fig 7-1 shows the over-all process. There are three
possible status returns for most commands: 0 (pass or
success), a positive value (status or condition code),
or a negative value (error code). Fig 7-1 separates out
the Write Parameters command for which a return
value, if not 0, is the index value of the first parameter
that is out of tolerance. Values for the Write Parame
-
ters command are displayed on the figure.
Fig 7-2 expands on the positive and negative values
shown as A1 and A2 in Fig 7-1. It shows sequence
numbers for a definition (B#) and the action to take
(C#) for each code. For example B1 is listed as a defi
-
nition and C1 as an action. Table 1 uses the same
sequence numbers to provides the detailed informa
-
tion for each definition and action listed in Fig 7-2.
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