1290 Infinity II High-Speed Pumps User Manual 114
7 Error Information
General Error Messages
Compensation Sensor Short
Error ID: 0080
The ambient-compensation sensor (NTC) on the power switch board in the
module has failed (open circuit).
The resistance across the temperature compensation sensor (NTC) on the
power switch board is dependent on ambient temperature. The change in
resistance is used by the leak circuit to compensate for ambient temperature
changes. If the resistance across the sensor falls below the lower limit, the error
message is generated.
Fan Failed
Error ID: 0068
The cooling fan in the module has failed.
The hall sensor on the fan shaft is used by the mainboard to monitor the fan
speed. If the fan speed falls below a certain limit for a certain length of time, the
error message is generated.
This limit is given by 2 revolutions/second for longer than 5 seconds.
Depending on the module, assemblies (e.g. the lamp in the detector) are turned
off to assure that the module does not overheat inside.
Probable cause Suggested actions
1 Defective power switch assembly
Please contact your Agilent service representa-
tive.
2 Loose connection between the power switch
board and the mainboard
Please contact your Agilent service representa-
tive.
Probable cause Suggested actions
1 Fan cable disconnected.
Please contact your Agilent service representa-
tive.
2 Defective fan.
Please contact your Agilent service representa-
tive.
3 Defective mainboard.
Please contact your Agilent service representa-
tive.
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