Thermo Scientific Mercury Freedom 80i Manual page 51

Thermo Fisher Scientific
Alarm Possible Cause
Message
Converter Temp temp
High temp
Alarm 81i – Cooler temp does not
Cooler Temp match setting
Alarm - Dilution Low pressure - leak
Pressure
High pressure
Alarm - Eductor Low pressure - leak
Pressure
High pressure
Alarm - Flow Flow low
Alarm - Intensity Low - lamp is failing
Alarm - Internal Instrument
Temp overheating
Ambient temperature
resistor open or
shorted
Bad interface board
83i ONLY Alarm - Low pressure –
Orifice Pressure system leak
High pressure –
blocked orifice
Alarm - Pressure High pressure
indication
Alarm - Probe Refer to the "Troubleshooting" chapter in the "Model 83i Instruction
Dilut Factor Manual."
Alarm - Probe Low or at ambient
Temp temp
High temp
Component power is
System Troubleshooting Guides
Action
Check component power status.
Check set point.
Check Cooler fan/clean filter.
Perform a leak test.
Check dilution pressure set point.
Perform a leak test.
Check component power status.
Check eductor pressure set point.
Check 80i and 83i critical orifices.
Make sure the sample particulate filter in the 83i
is not blocked. Disconnect lines from the sample
bulkheads, if flow increases, replace the filter.
Replace lamp.
Replace fan if not operating properly.
Clean or replace foam filter.
Check ambient temperature resistor.
Check interface board.
Perform a leak test.
Check orifice.
Remove line from pressure transducer. The
pressure reading should go to ambient. Calibrate
the pressure transducer, if necessary.
Check input of external pump with vacuum gauge
and repair or replace pump as necessary.
Deadheaded vacuum should be approx. 12 mmHg.
For pump repair, refer to the pump manual.
Check flow system for leaks.
Check set point.
Check set point.
Check that component power is ON.
Mercury System Manual
Troubleshooting
4-5