Agilent Technologies 1100 Series Bedienerhandbuch Seite 78

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78
Troubleshooting and Test Functions
Index Missing
Index Missing
The encoder index position in the quaternary pump was not found during
initialization.
During initialization, the first plunger is moved to the mechanical stop. After
reaching the mechanical stop, the plunger reverses direction until the
encoder index position is reached. If the index position is not recognized
within a defined time, the error message is generated.
Probable Causes Disconnected or defective encoder cable.
Defective pump drive assembly.
Suggested Actions Ensure the encoder cable are not damaged or dirty. Make sure the cables
are connected securely to the LPM board.
Exchange the pump drive assembly.
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