Superior Court Judge Hank Goldberg set a mandatory settlement conference for 19 April to try to resolve the couple's long-running divorce.
Humphries, who wants an annulment, did not attend a settlement conference on Friday.
The judge wants him to explain his absence at the 19 April hearing.
Kardashian attended the hearing under heavy security.
She is asking a judge to end the marriage through a traditional divorce.
She filed for divorce in October 2011 after 72 days of marriage.
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