Thermo Scientific 43i, Инструкция по эксплуатации

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Troubleshooting
Troubleshooting Guides
6-8 Model 43i Trace Level-Enhanced Instruction Manual Thermo Fisher Scientific
Table 6–4. Troubleshooting - Alarm Messages
Alarm
Message Possible Cause Action
Alarm - Internal
Temp Instrument overheating Replace fan if not operating properly.
Clean or replace foam filter, refer to the
“Preventive Maintenance” chapter in this
manual.
Check 10K thermistor on measurement interface
board, replace if bad.
Alarm -
Chamber Temp Chamber temperature
below set point Check 10K thermistor, replace if bad.
Check temperature control board to insure the
LEDs are coming on. If not, temperature control
board could be defective.
Heaters have failed Check connector pins for continuity.
Alarm - Pressure High pressure
indication
Check plumbing for leaks.
Check the pump for a tear in the diaphragm,
replace with pump repair kit if necessary.
Refer to the “Preventive Maintenance” chapter in
this manual.
Check that capillary is properly installed and O-
rings are in good shape. Replace if necessary.
Alarm - Flow Flow low Check sample capillary for blockage. Replace as
necessary.
If using sample particulate filter make sure it is
not blocked. Disconnect sample particulate filter
from the sample bulkhead, if flow increases,
replace the filter.
Perform leak test to check for internal leaks.
Flow high When delivering zero air or gas to the
instrument, use an atmospheric dump.
Alarm - Intensity Low - lamp is failing Check that the lamp and trigger pak are securely
fastened.
Replace lamp.
Alarm - Lamp
voltage Low voltage (<550V) –
lamp power supply has
failed Replace the lamp power supply.
High voltage (>1200V)
- flash lamp failed Replace the flash lamp.
Alarm - SO
2
Concentration has Check to insure range corresponds with expected