SVC 3- 21
19. If the system is leak- free, replace the cover and panels and restore power to the instrument.
Check that the EFS is operational by displaying the flow rate for each channel (“A”and “B”) on
the display board and also verify the value with a bubble flow meter. It is suggested that the
flow rate through each channel be different, in order to verify that the plumbing for the two
channels has not been “cross- connected.”
20. If a flow rate value for either channel is displayed which does not correspond to the value ob-
tained using a bubble flow meter, leak- test the entire system. If the system is completely
leak- free, the EFS may require calibration.
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