SKC Limited AirChek 3000 Deluxe Pump Operating Instructions - Manual (Page 44)

Page 42 210-3311M Issue E www.skcltd.com
CalChek Calibration Error Code Troubleshooting
Error Code Problem Corrective Action
E 41
Single point calibration flow correction
required is too high. The difference between
the pre-calibration Defender flow rate reading
and the required flow rate is greater than 360
ml/min. Peform a full calibration.
If this does not resolve the problem contact
SKC Ltd customer services for assistance.
E 42
Unstable average flow rate reading. The
variation between individual Defender flow
rate readings is too high. Repeat the calibration.
If this does not resolve the problem contact
SKC Ltd customer services for assistance.
E 43
Serial communication time out. The Defender
calibrator is not communicating with the
pump. Check that the ‘Data Port’ setting on the
Defender calibrator is set to the ‘SKC’ option.
Check that the CalChek cable connections
are secure.
E 44
Full calibration - The first calibration point flow
reading is greater 750 ml/min. The pump air
flow rate is higher than it should be. Check the internal flow pressure sensor
tubing is not pinched or blocked - contact
SKC Ltd customer services for assistance.
E 45
Full calibration - The pump is unable to
achieve a flow rate of 3000 ml/min. Check the pump flow outlet tube for
blockages. Check the pump stack for leakage
- contact SKC Ltd customer services for
assistance.