Intek RheoVac 950A User Manual
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4.3.2
Software Communication Problems
When using the RheoVac software on a PC, the software may give you a “Communication Error
or Message.” Use the information in Table 7 and Table 8 to determine the source of this
message and appropriate action.
Table 7 Troubleshooting Guide (serial connection software communication errors)
OBSERVATION PROBABLE
CAUSE
ACTION
Appears the first time
the application was
executed
1. Instrument not connected to the
software defaulted serial port
2. Communication connections not made
or instrument is not powered
1. Change serial comm port setting and
hit “Retry”
2. Check connections and instrument
power
Appears intermittently
after application has
been running
normally
1. Electrical noise interfering with
communications
2. Too many applications running in
windows
3. Another application is conflicting
with this comm port or IRQ
1. Change to RS-422 communications,
reroute or shield cable
2. Close other applications until problem
self corrects
3. Change to a different comm port
Completely stops
working after
application was been
running normally
1. Instrument has stopped
communicating
2. Loose or damaged communication
connection
1. Check instrument power or look at
instrument display for fault status
2. Check cable adapter at back of PC or at
any other splices or at instrument
Cannot be made to
work at all with Com3
or Com4
1. Works fine on Com1 or Com2 but
does not work on other port due to
other hardware conflicts such as a
modem
1. Using Windows Control Panel —
System utility, check for IRQ or I/O
hardware conflict — ADVANCED
USERS ONLY
Note: Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
Table 8 Troubleshooting Guide (ethernet connection software communication errors)
OBSERVATION PROBABLE
CAUSE
ACTION
Connection error when
attempting to connect
to the instrument using
the supplied User
Interface Software
(UIS)
1. Incompatible
network
settings on the User
Interface Computer (UIC)
2. IP address not identified
3. Bad or incompatible Cat5
cable
1. Verify settings on the UIC outlined in Appendix B
2. Reboot the UIC and RheoVac Model 950 while
connected
3. Verify correct Cat5 cable (for peer to peer
connection use crossover cable, for networked
connection use straight cable)
4. Contact
factory
Error occurs when
attempting to use the
UIS trending option or
file update option
1. Lost
connection
2. Incompatible UIS version
1. Restart
UIS
2. Contact
factory