Pressure Signal Missing; Missing Pressure Reading - Agilent Technologies 1260 Infinity User Manual

7
Error Information
Module Error Messages
Probable cause
4
5

Pressure Signal Missing

The pressure signal of the damper is missing.
The pressure signal of the damper must be within a specific voltage range. If
the pressure signal is missing, the processor detects a voltage of
approximately -120mV across the damper connector.
Probable cause
1
2

Missing Pressure Reading

The pressure readings read by the pump ADC (analog-digital converter) are
missing.
The ADC reads the pressure signal of from the damper every 1ms. If the
readings are missing for longer than 10 seconds, the error message is
generated.
Probable cause
1
2
3
98
Defective damper.
Defective main board.
Damper disconnected.
Defective damper.
Damper disconnected.
Defective damper.
Defective main board.
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Agilent 1260 IsoPump/QuatPump User Manual