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INFICON MicroFID II Portable Flame Ionization Detector User Manual

Page 81

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074-579-P1A

81

Problem: Date and time settings are not retained.

Cause: The MicroFID II has not been used for 3 months or more and the internal battery has

been discharged.

Action: Turn the MicroFID II

on and allow it to run until a “LoBatt” status appears. This

will take approximately 15 hours. Remove the battery pack and recharge it
overnight. Repeat this procedure for 3 or 4 days. While the MicroFID II is running
the internal battery is charging.

Problem: Cannot fill the hydrogen fuel cylinder.

Cause: The hydrogen supply tank has insufficient pressure. You can only fill the internal

cylinder to a pressure of less than or equal to the tank pressure.

Action: Fill the hydrogen fuel cylinder or replace the hydrogen fuel cylinder with a full
one.

Cause: There is a problem with the refill adapter.

Action: Contact the Service Department.

WARNING

DO NOT modify or disassemble the refill adapter! If you have any
problems, the unit must be returned for repair or replacement.

Problem:

Instrument status shows “Over”.

Cause: Rapid change in signal level. The detector electronics have been

momentarily saturated.

Action:

Wait a few seconds for the status to return to “Ready”.

Cause: The detector has become saturated.

Action: Move the MicroFID II to a location where it can sample clean air. Sample zero air

until the reading stabilizes around 0.

Problem: Display is blank

Cause: Battery pack is critically low.

Action: Recharge the battery pack.

Cause: The battery pack is not connected to the instrument properly.

Action: Ensure the battery pack charger connection is attached properly to the MicroFID

II.