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Summary

In #276 (closed) and !53 (merged) a trim coil range in the azimuthal direction was introduced. However, this was not properly tested and it contained a bug, that was discovered by @zhang_h. This was partly fixed in #736 (closed) / !598 (merged), but not completely tested.

What is the current bug behavior?

The trim coils do not work anymore without PHIMIN and PHIMAX specified.

What is the expected correct behavior?

Trim coils working as normal.

Possible fixes

The bug was introduced in 77c975dc, especially the default value of PHIMAX was not specified (77c975dc) and the TrimCoil::setAzimuth method was not so well implemented (77c975dc).