PerkinElmer Photovac MicroFID, User Manual

Page: 121 / 170

Troubleshooting
Cause: Background contamination from the hydrogen.
Action: It is possible that the hydrogen has become
contaminated and is contributing a high
background signal. If the hydrogen supply
tank is more than 6 months old it should be
replaced with a new cylinder. When
ordering hydrogen specify ultra high purity
hydrogen, 99.999% pure. Empty the
MicroFID hydrogen cylinder and then refill
it with hydrogen from a new tank.
Cause: There is an undetermined problem.
Action: Contact the Service Department.
Problem: Date and time settings are not retained.
Cause: MicroFID has not been used for 3 months or more
and the internal battery (not the external battery
pack) has been discharged.
Action: Turn MicroFID on and allow it to run until
a “ LoBatt” status appears. This will take
approximately 15 to 16 hours. Remove the
battery pack and recharge it overnight.
Repeat this procedure for 3 or 4 days.
While MicroFID is running the internal
battery is charging.
Problem: Cannot fill the internal hydrogen cylinder to 1800
psig.
Cause: Supply tank has less than 1800 psig of pressure.
You can only fill the internal cylinder to a pressure
of less than or equal to the tank pressure.
Action: Fill the internal cylinder to the pressure of
the tank or replace the tank with a full one.
Cause: The hydrogen purge outlet is open.
Action: Close the outlet and fill the cylinder. See
Emptying the Hydrogen Cylinder on page
110 for details.
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