Bruker RS - During Energizing and Shimming

94
ZTKS0156 / Z31820 / Rev.: 03
Troubleshooting
6.2.4 During Energizing and Shimming
Continued on next page
Indicator Possible reason Solution By
The current lead can
not be inserted
completely into the
connector.
The connector is
covered with ice.
(frozen moisture or
nitrogen ice).
Carefully remove the ice with
warm helium gas.
To remove small ice spots use
the dipstick or the precooling
tube as tubing for the warm
helium gas.
Bruker Service
The shorting plug
was not removed.
Remove the shorting plug
with the shorting plug tool.
Bruker Service
The orientation of
the current lead is
not correct.
Turn the current lead carefully
until it can be inserted
correctly into the connector.
Bruker Service
Main coil heater test
fails.
Defective power
supply.
Replace the power supply Bruker Service
Connector or cables
defective.
Clean connectors or change
cables if necessary.
Bruker Service
Setting of sense
voltage fails.
The main coil heater
switch is "OFF".
The main coil switch
is not opened.
Switch the main coil heater to
"ON" and check the main coil
heater current to be adjusted
correctly.
Bruker Service
The main coil heater
current is not cor-
rect. The main coil
switch is not opened.
Adjust main coil heater
current correctly.
Bruker Service
The auxiliary shor-
ting plug is inserted
in the current lead
turret by mistake and
makes a short circuit
across the main coil.
Remove the auxiliary shor-
ting plug and insert it in the
helium fill-in turret.
Bruker Service
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. To
remove small ice spots from
the connector use the dipstick
or the precooling tube as
tubing for the warm helium
gas.
Bruker Service