How to remove credit check blocked status within VA02

Dear All,

I have created a sales order For a particular customer.And the sales order get blocked because of the credit limit exceed.Now,if i want to create the delivery then i have release the sales order(VKM3).Thats fine.

Suppose If the customer gives me money after saving the sales order(order is blocked) Then within a sales order How can i remove the Credit blocked status.Or i have to use some other transaction other than VKM3.

Please help me.

Regards,