Flow Problems - Teledyne T640 Standard Operating Procedure

Box Temp Warning Box Temperature Warning (>60)
AMB Press Slope Ambient Pressure Calibration Slope is out of
OOR range

12.2 Flow Problems

If a flow auditing device indicates any problems with flow, check to ensure the following:
•
all connections are seated tightly and evenly (no gaps);
•
the inlet is not clogged or blocked;
•
the pump is running and is within its PWM range (35% - 80%);
•
the DFU appear reasonably clean and changed within last 12 months.
After making any adjustments, run a flow calibration and recheck the flow rate. If problems
persist, contact Teledyne-API Technical Support for assistance.
and ventilation for
instrument.
Ensure proper climate and
ventilation for instrument.
Check calibration (make sure
units match calibration
device).
Replace pressure sensor. Call
Tech Support.
22
DEP 03-21
Revision No. 0
November 2017