Bruker 700'54 Ascend - During Standard Operation

51
ZTKS0164 / Z31949 / 06
Troubleshooting
6.2.6 During Standard Operation
Indicator Possible reason Solution Performed by
The helium boil off
decreases to zero.
The atmospheric
pressure is
increasing.
Usual behavior.
Check the helium boil off
daily.
Approved
Customer
Personnel
The helium flow
system is covered
with ice.
Contact Bruker Service
immediately! Do not try to
remove ice from the helium
flow system!
Approved
Customer
Personnel
WARNING:
Cryogenic Agents
Quench
The helium flow
system or the
suspension tubes
are blocked with
ice.
Flush warm helium gas
through an applicable tube.
Do not insert the tube more
than 600 mm from the top of
the helium turrets.
Bruker Service
The helium boil off
is too high.
The Helium Level
Sensor is in service
mode or has been
used too often.
Switch off Helium Level Sen-
sor. Reduce frequency of
helium level measurement
(during measuring of the
helium level an amount of
helium boils off due to the
heat input of the Helium
Level Sensor).
Approved
Customer
Personnel
The atmospheric
pressure is
decreasing.
Usual behavior.
Check the helium boil off
daily.
Approved
Customer
Personnel
If it continues, contact
Bruker Service.
Approved
Customer
Personnel
Vacuum reduced. Rebuild vacuum, see
chapter Rebuilding Vacuum
in the service manual.
Bruker Service
The radiation
baffles are not
inserted in the
current lead turret.
Insert the radiation baffles
into the current lead turret.
Bruker Service