47
ZTKS0164 / Z31949 / 06
Troubleshooting
Table continued
Indicator Possible reason Solution Performed by
Current lead can
not be removed.
The connector is
covered with ice
(frozen moisture or
nitrogen ice).
Carefully remove the ice
with warm helium gas over
the helium flow system. Use
the dipstick or the precooling
tube as tubing for the warm
helium gas to remove small
ice spots from the connector.
Bruker Service
Shorting plug can
not be removed.
The connector is
covered with ice
(frozen moisture or
nitrogen ice).
Carefully remove the ice
with warm helium gas. Use
the dipstick or the precooling
tube as tubing for the warm
helium gas to remove small
ice spots from the connector.
Bruker Service
The magnet
system quenches.
Loss of
superconductivity.
See After a Quench on
page 54.
Bruker Service
The helium level
was too low for
energizing, cycling,
shimming,
de-energizing or
sweeping.
See After a Quench on
page 54.
Bruker Service
The power supply
is defective. The
main current is
oscillating.
Replace the power supply. Bruker Service
The main coil
switch can not be
closed on field.
The helium level is
too low for
energizing. The
main coil switch is
not covered with
liquid helium.
Never try to energize the
magnet with a helium level
less than the "minimum level
during energizing" in the
helium vessel.
Bruker Service
The power supply
is defective. The
main current is
oscillating.
Replace the power supply. Bruker Service
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