9 Troubleshooting
ZEISS
9 Troubleshooting
Symptom
Cause
Recommended action/s
Corrosion
Condensation of water
Defrost the dewar.
Icing
The specimen chamber has been
vented while the temperature of
the Cryo Trap was far below room
temperature.
Do not attempt to pump the cham-
ber again until all components are
warm and fully dry.
Defrost the dewar.
Image drift
Fluctuating temperature in the
specimen chamber
Check position of borehole of the
lid.
Long pumping
time
The specimen chamber has been
vented while the temperature of
the Cryo Trap was far below room
temperature.
Defrost the dewar.
18
Instruction Manual ZEISS Cryo Trap | en-US | Rev. 2 | 346000-8166-000
Summary of Contents for Cryo Trap
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