The first check you need to make  is:

Expand                 Self Service

Select                   Company Rule Setup

The below screen will now be displayed:

The Company Rule Setup Profile will either be setup to ALLOWTERM - Allow Terminated Employees or DONTALLOWTERM - Do Not Allow Terminated Employees

To now exclude Terminated Employees:

Expand                Parameters

Expand                Workflow

Select                  Company Rule Setup Profile

The below screen will now be displayed:

Now on the line depending on how the Company Rule Setup is done you can now make a selection to Exclude Zero Payslips on Web Self Service

*** This is also where you can choose to upload Payslips Per Payrun or to upload Consolidated Payslips