ADInstruments pH Amp Owner's Manual page 30

30
The online indicator fails to light when LabChart or Scope is opened
• If the PowerLab is off check switches and power connections.
• The BNC to BNC cable from the pH Amp or the temperature
output to the analog input channel of the PowerLab may not be
properly connected. Check that the cable is firmly connected to the
BNC connector on the back panel of the pH Amp and to a BNC
input on the front panel of the PowerLab.
Either or both online indicators fail to light when the application is
opened, and the pH Amp is not accessible from LabChart or Scope
2
• The I C cable from the pH Amp to the PowerLab may not be
properly connected. Check to see that the I
seated and screwed in.
• Try new cables to check that the BNC and/or I
working correctly
• If you have tried the above suggestions and still cannot get the pH
Amp to work properly, then try using it on another PowerLab if
you have access to one. If the online indicators still fail to light on
the second PowerLab, the unit may be faulty and should be
returned for repair.
2
C cables are firmly
2
C cables are
pH Amp Owner's Guide