You must file an application on CJTS to set aside the order within 7 days after the default order was made. Subsequently, you will need to serve the Notice of Application and the Notice of Hearing to Set Aside on the Respondent.

For more information on how to set aside a default order entered against you, you may visit this link: https://www.judiciary.gov.sg/civil/set-aside-employment-claims-order-made-in-absence