If you have been medically certified by a doctor as unfit to work for more than 7 days, you can claim up to €35 per day. 

You can claim payments from day 8 of your illness, but you will be paid for up to 15 days in total - the first 7 days are also included in your payment. 

In order to receive earnings support, you will need to submit proof that you have been medically certified by a doctor as unfit to work.

Be careful only Self-employed riders are eligible to claim the earnings support for illness.

More info here.