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APPENDIX C
Troubleshooting Guide
Problem Possible Cause Solution
No power Check to make sure control box is plugged up
Cables not connected properly
Check cable connectors to make sure they are engaged
Check the fuse to see if it is blown/ replace if
LCD screen frozen; cannot edit Internal software error Reboot the system
Cannot connect to WiFi Internal firewall
Contact your IT department; see section "Preparing for
DataSmart" and Appendix A
Lost WiFi connection Poor signal strength Check signal strength and reconnect
Error message when programming
switchover pressures
Pressure differential between right side and
left side switchover is greater than 150 psi
There cannot be more than 150 psi difference between
the right side and left side switchover pressures.
Readjust to parameters within this range.
Switchover pressures not programmed Program both right and left side switchover pressures
Switchover pressures set too low
Check switchover pressure settings and adjust to
Switchover pressures not set properly
Check to see that the switchover pressures are not set
too high. Contact Harris Technical Service for
guidelines on where switchover pressures should be
System not sized correctly for liquid dewars
More cylinders may need to be added; contact Harris
Technical Service for recommendations.
No subscription Contact Harris Customer Service to set up service.
No WiFi Connection Reconnect to WiFi
Obtain registration number from machine and go to
https://datasmart.harrisproductsgroup.com/login
Flexible hose assembled incorrectly Check flow direction arrows on all flex hoses
Outlet regulator not set Adjust outlet regulator to desired outlet pressure
System does not switch over
System switches back and forth
Cannot access DataSmart Web
Applications
No gas flow through manifold
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