Tadano TM-2000-1, Service Manual, Page: 124 / 194

AMA (Load Moment Indicator)
H - 1 H - 1
7
W301-0320E
5. List of Error Nos. Related to AMA
No. Description Cause Measures
E01
An error among E21-27, E29, E65
and E66 occurring in other-side
AMA
Refer to canceling method
corresponding to each error code.
E02
Error in other-side AMA
An error among E14-18 and E28
occurring in other-side AMA Refer to canceling method
corresponding to each error code.
E14
Boom length value or boom angle
value left unadjusted
Adjust.
E15
E16
Improper setting of model
selection Dip switch
Improper setting of Dipswitch Set property.
E17
E18
Improper setting of function
selection Dip switch
Improper setting of Dipswitch Set property.
Maladjusted boom full retraction
detector switch
Fully retract the boom and make sure
that the contact point of the boom full
retraction detector switch is CLOSED. If
the contact point is OPEN, adjust so that
it is CLOSED.
Defective cable.
Check if there is any broken wire or
short circuit between AMA main unit and
boom full retraction detector switch.
Replace or repair the cable.
Faulty boom length detector
Fully retract the boom and measure the
resistance of the potentiometer.
[1-2 of CN3 : 5000
±
750
Ω
1-3 of CN3 : 460
±
40
Ω
]
If a measured value is out of the
standard range, replace the boom
length detector.
E19
Faulty boom full retraction
detector switch
Faulty AMA main body
Replace the AMA main body if check
result is normal.
Maladjusted boom length value
Compare the actual boom length with
the boom length value displayed on the
display window on the AMA main unit.
Adjust boom length value and check
precision. [To make the boom length
value appear on the display window,
turn the rotary switch to the “2”
position.]
Maladjusted boom angle value
Compare the actual boom angle with
the boom angle value displayed on the
display window on the AMA main unit.
Adjust the boom angle value and check
precision. [To make the boom angle
value appear on the display window,
turn the rotary switch to the “3”
position.]
Faulty pressure detector on the
cylinder side or the rod side
Compare the actual load with the load
value displayed on the display window
on the AMA main unit.
Replace the pressure detector on the
cylinder side or the rod side if check
result is fault.
E20 Abnormal load display
Faulty AMA main body
Replace the AMA main body if check
result is normal.