SCB20
80 / 234 H172203_1_001
For the case that there is a problem regarding the shim function (e. g. if there is an error
message issued when the user wants to set or modify the value of a shim), it is possible to
run the built-in self-test on each SCB20 board in order to verify that the SCB20 boards are in
a correct state.
The power dissipation in the Shim Coil and the power consumption is displayed as additional
information. In case of a failed attempt to set or modify a shim value, it is recommended to
check if the power limit of the Shim Coil is reached or if the power supply is at its limit. It may
be necessary to reset manually all currents to zero, which can be easily done by the Shim
Current Tool.
Additional information about the consumed power and remaining margin can be retrieved
under Main | Shim | Shim Power Supply Information.
Figure9.8: SCB20 Measurement Functions Web Page
9.5.6 No BOSS File for Currently Installed Shim System?
The procedure given here may be useful in case of an error message Error: Shim: Cannot
initialize Shim System .. with BOSS file ... or if you cannot find an appropriate BOSS matrix
file for the Shim System type that is indicated by the BSMS Service Web. It may be
necessary to apply the procedure iteratively.
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General