The carer and cleaner for a Korean War veteran has pleaded not guilty to using the elderly man's ATM card to spend more than $13,000.

Damien Paul Watkins, of South Windsor, will remain behind bars after a magistrate at Newtown Local Court refused bail.

Korean War veteran Leonard Rice, who allegedly was robbed of $13,000 via ATM fraud.

Mr Watkins, 41, is charged with 11 offences, including dishonestly obtaining property by deception and stealing property.

The court heard 80-year-old Leonard Rice uses a wheelchair to get around and gave his PIN to neighbours so they can shop for him.