Siemens alarm 12080: Channel %1 block %2 syntax error in text %3

What it means

Generic grammar error: the block text at the indicated position violates SINUMERIK programming syntax and cannot be parsed. Since countless constructs can trigger it, the control points at the offending text area rather than naming a rule. Use correction-block mode to jump to the faulty block and fix it per the Programming Guide.

Likely causes

• Typo in address, operator or keyword
• Missing operand, bracket or comparison in an expression/jump
• Character not valid inside an NC block