98bf30f6_cess_ATM___Hyosung_Error_Codes__Description
[Code] 24B15 [Resolution] This means that while the ATM was initializing it detected a blocked sensor in the cash dispenser (CS4B sensor). Remove any jammed bills from the dispenser, if no bills are present try using compressed air to clean the dispenser (a sensor may be blocked by dust). Check and reseat all belts. Loose belts can slip off rollers and block sensors. [Description] 
CDU detects bills prior to dispensing
Access ATM » Hyosung Error Codes
Description