As the GFM products are made available through GloFAS and EFAS, these systems will inform users on any malfunction affecting this component.
For instance, in GloFAS any failure in the generation of each daily dataset as well as any limitation of the service are shown in the upper right corner with a banner:

In case of a malfunction, the banner turns red: by clicking on it, a pop-up window will open, listing all the missing or delayed outputs of the system.