User guide

Troubleshooting 6-1
6 Troubleshooting
If you experience difficulties operating your Century C-721 dispensing system, use this section to
identify a possible solution to the problem. If you experience difficulties not listed in this section, or the
suggested solution does not correct the problem, then contact Asymtek Technical Support.
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NOTE The troubleshooting procedures in this manual are Operator-level procedures. More
advanced troubleshooting procedures can be found in the Troubleshooting section of the
C-721 Installation and Service Manual or contact Asymtek Technical Support.
Software Troubleshooting
Use the table below to identify possible solutions to some common software issues.
Table 6-1 Software Troubleshooting
Symptom Possible Cause Recovery
Receive “Motor references not
found” message during startup.
Dispensing Head has lost its
Home reference.
Click on OK to Home the Dispensing
Head.
Receive “Assertion Failure”
message during production run
or during programming.
FmNT has received a bad
command
1. Exit FmNT.
2. Restart FmNT.
3. Attempt the procedure again.
Receive “Application Error”
message during production run
or during programming.
FmNT has stopped. 1. If possible, exit FmNT.
2. Exit Windows NT.
3. Restart Windows NT.
4. Restart FmNT and begin again.
• NOTE: If the computer is
completely unresponsive,
turn OFF (0) the dispensing
system at the main circuit
breaker, wait 30 seconds,
then turn it back on and
restart FmNT.