Compensation Sensor Short - Agilent Technologies 1200 Series Reference Manual
Quaternary pump
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- Reference manual (278 pages) ,
- User manual (184 pages) ,
- Manual (150 pages)
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3
Troubleshooting and Test Functions
Compensation Sensor Short
The ambient-compensation sensor (NTC) on the LPM board in the quaternary
pump has failed (short circuit).
The resistance across the temperature compensation sensor (NTC) on the LPM
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.
Probable Causes
• Defective LPM board.
Suggested Actions
56
Exchange the LPM board.
1200 Series QP Reference Manual
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