TSI Instruments dusttrak II 8530, Руководство по эксплуатации и обслуживанию

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Chapter 3 20
Communication errors take place under four different scenarios as follows:
1. When the unit is idle and is
not connected to the External Pump Module,
a warning displays on the Main screen.
Note
“No Pump is Connected” is a sticky error. Even after the warning
message, if the External Pump Module is connected to the
DustTrak, the error will not disappear until the screen is
refreshed. Refresh the screen by going into a different menu and
returning to the Main menu.
2. When the unit is not connected to the External Pump Module and an
attempt is made
to start a run by selecting “Start”, an error appears on
the Main screen.