Maeda MC405C-3 - Moment Limiter Error Causes and Actions to Be Taken

Mini-Crawler Crane M A E D A Section 5 – TROUBLESHOOTING
1/2019 MC405C-3 5-93
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.
E-P
Pick & Carry input was made for
conditions that do not allow Pick &
Carry.
Turn off Pick & Carry input. Turn on Pick &
Carry input once again when Pick & Carry
conditions are met.
ER6
Slewing detection limit switch
disconnected or improperly
adjusted.
Adjust and check the slewing detection
limit switch.
No displayed
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Check the fuse built-in the display unit.