Omron NL-200 User Manual page 36

C: Fatal Error Codes
Error number
FAt, Err 44
FAC, Err 40,
Err 41, Err 45
NL-200 Series Controller User Manual
Reason
The NL-200 is too hot. The NL-200 has a thermal cutout which
operates around 65°c to 70°c, depending on conditions.
One channel is outputting more current than expected.
C-1