Maeda MC-174CRM, Operation Manual

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1.4.7 MOMENT LIMITER ERROR CAUSES AND ACTIONS TO BE TAKEN
The moment limiter displays an error code at the “rated total load” display section on the display panel to
notify the error.
If an error code shown in the table below was displayed, contact us or our sales service agency.
Error Code Error Details Actions to Be Taken
E1L
The input to pressure sensor 1 is
lower than the specified value.
Check the installation of the pressure
sensor 1.
E1H
The input to pressure sensor 1 is
higher than the specified value.
E2L
The input to pressure sensor 2 is
lower than the specified value.
Check the installation of the pressure
sensor 2.
E2H
The input to pressure sensor 2 is
higher than the specified value.
E3L
The input to angle detector is lower
than the specified value.
Check the installation of the angle detector.
E3H
The input to angle detector is higher
than the specified value.
E4L
The input to length detector is lower
than the specified value.
Check the installation of the length
detector.
E4H
The input to length detector is higher
than the specified value.
EAD
The AD converter at the converter
section is not functioning properly.
Turn the starter switch to the OFF position
and then to the ON position again. If an
error is displayed again, change the
converter.
ERS
The communication between the
converter section and the display
unit is not carried out properly.
• Check the cable between the display unit
and the converter. If the cable is normal,
change the converter.
• Check the fuse built-in the converter.
E-E
Error with calibration memory.
This error is also issued when
calibration has not been done yet.
Turn the starter switch to the OFF position
and then to the ON position again. If an
error is displayed again, change the display
unit.
No displayed
--- Check the fuse built-in the display unit.