212 •
Overview of Error Blink Codes
Auxiliary
Commands
WAGO-I/O-SYSTEM
750
I/O
Modules
Error
No.
Name
Description
Possible cause/Remedy
1452
REF_LIM_SWITCH
Reference switch not
clearly identified on start
of reference run
Both limit switches active
simultaneously during
search for reference switch
1453
REF_SPEED
Speed setting missing
for reference run
Referencing speed of 0 is
unacceptable
1454 REF_START_DIR_
LIMIT
Reference run to limit
switch: Limit switch
already actuated
Reference run to limit
switch: Limit switch already
actuated
1455 ERROR_REF_LIM_
SWITCH_NOT_
EXPECTED
Reference run:
Unexpected limit switch
Check limit switch wiring;
was the reference run
started beyond the limit
switch?
1511 UNITS_POS_INT_
RESULT
Conversion of position
from user-specific unit
to internal unit: Range
exceeded
Configuration: Check units
conversion
1512 UNITS_POS_USER_
RESULT
Conversion of position
from internal unit to
user-specific unit: Range
exceeded
Configuration: Check units
conversion
1513 UNITS_SPEED_INT_
RESULT
Conversion of speed
from user-specific unit
to internal unit: Range
exceeded
Configuration: Check units
conversion
1514 UNITS_SPEED_
USER_RESULT
Conversion of speed
from internal unit to
user-specific unit: Range
exceeded
Configuration: Check units
conversion
1515 UNITS_ACC_INT_
RESULT
Conversion of
acceleration from user-
specific unit to internal
unit: Range exceeded
Configuration: Check units
conversion
1516 UNITS_ACC_USER_
RESULT
Conversion of
acceleration from
internal unit to user-
specific unit: Range
exceeded
Configuration: Check units
conversion
1517 UNITS_PARAM_
ZERO
Parameter for
conversion is zero
Configuration: Units
conversion: Divisor is zero
1521 SYS_MODE
Configuration:
Application can not be
executed at this module.
(Module 2, 3, 4 only for
stepper position control
or frequency control)
Check configuration for
Application_Selector