Instruction FAL(06) generates the code of non-fatal error that took place to provide the information on the possible cause of the problem for the programmer. Upon execution of the instruction FAL(06) following events take place:1. Indicator ERR/ALM will blink, while PLC continues to work.2. Two-digits BCD number of instruction FAL (01 do 99) is written from SR253000 to SR25307.Same number must not be assigned to both FAL and FALS instructions. To delete the code of an error, error should be corrected and FAL 00 instruction executed.