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systemctl --state=failed (Redhat 7)

 

[root@test test]# systemctl --state=failed
  UNIT          LOAD   ACTIVE SUB    DESCRIPTION
● kdump.service loaded failed failed Crash recovery kernel arming

LOAD   = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB    = The low-level unit activation state, values depend on unit type.

1 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.