Have you delved into the documentation that is included with the tool?
Chapters 23 and 24 go into Recovery Scenarios and Web Exception Handling Specifically. Once you read those sections, you can look into the TSL online help or manual and look at the function available to you under the title "Exception Handling Functions".
Once you go through that information, and you have tried some things, let us know what you have tried and what your specific issues are and if someone can help I am sure they will lend their time to assist you.
Insanity: doing the same thing over and over again and expecting different results