Introduction – SKC 210-2000 AirChek 2000 User Manual
Page 13
10
Pump Operating Modes
RUN
Pump is running; run time data is continuously updated in memory. The
LCD shows real-time run time data. Press to scroll through the parameters.
Run time and volume stored in memory will continue to accumulate unless
reset (see page 13).
To change the pump from HOLD to RUN, press []
HOLD
Pump is off and run time data is stored. Run time data readings are retained
and displayed on the LCD.
To change the pump from RUN to HOLD, press []
SLEEP
Aft er fi ve minutes in HOLD, the pump automatically enters SLEEP.
The LCD shuts down and the electronic circuitry enters a low-power state.
Press any butt on to change pump from SLEEP to HOLD
Flow Fault
If the pump is unable to compensate for longer than 15 seconds due to excessive
back pressure, the pump enters fl ow fault mode. During fl ow fault, the pump
goes into HOLD, the fault icon appears on the display during the length of
the fault, and the accumulated run time display is frozen and retained. As
part of the fl ow fault feature, the pump att empts to restart sampling aft er fi ve
minutes in fl ow fault and continues to att empt a restart every fi ve minutes
thereaft er until the restricted fl ow is corrected or the pump has att empted a
maximum of 10 restarts. The maximum number of restart att empts may be
changed using a PC and DataTrac 2000 Soft ware.
Introduction