Yes, if an officer has probable cause to believe someone has committed a crime, they can arrest them without a search or arrest warrant'. Normally the consequence is that that person can be brought to and booked into a jail.
If you find yourself facing Failure to Appear accusations, an experienced attorney can help. An Arizona Failure to Appear lawyer can request that the warrant against you be repealed and can work with you to fight back against your original charges.
When making an arrest without a warrant, the officer shall inform the person to be arrested of his authority and the cause of the arrest, unless the person to be arrested is then engaged in the commission of an offense, or is pursued immediately after its commission or after an escape, or flees or forcibly resists ...
"Arrest" means the actual custodial restraint of a person or the person's submission to custody.
In most cases, you'll need to appear in court to explain your absence or non-compliance and address the underlying issue, such as unpaid fines or missed court dates. Acting promptly with legal guidance can help you avoid arrest and additional penalties.