Chapter C
Chapter C
Maintenance Mode
129
W301-0411E
Error
code
Error name
Description
Crane
operation
Elevating rod
pressure abnormality
The detection value of elevating cylinder's rod side pressure detector
is out of the normal range, and the status continues for 5 seconds in
low pressure side or for 1 second in high pressure side.
Normal range: 4 to 95% (0.20 to 4.75 V)
±
E2030
Cause: Detector malfunction, signal line open circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
Elevating cylinder
pressure abnormality
The detection value of elevating cylinder's cylinder side pressure
detector is out of the normal range.
Normal range: 5 to 95% (0.25 to 4.75 V)
±
E2031
Cause: Detector malfunction, signal line open circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
Twoblocking signal
abnormality
Twoblocking signal is broken or short to the power source
line.
Anti-twoblock
device works.
E2113
Cause: Twoblocking signal line open/short circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
2nd boom length
detector abnormality
The detection value of 2nd boom length detector is out of the normal
range.
Normal range: 5 to 95% (0.25 to 4.75 V)
±
E2167
Cause: Detector malfunction, signal line open/short circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
Do0 output stoppage
Digital output power monitor voltage is out of the normal range.
Normal range: 18 V or more
±
E2200
Cause: Signal line short circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
Do1 output OFF
abnormality
Although the Do1 output is OFF, the output monitor incorrectly
becomes ON.
±
E2201
Cause: Signal line short circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
Do2 output OFF
abnormality
Although the Do2 output is OFF, the output monitor incorrectly
becomes ON.
±
E2202
Cause: Signal line short circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
Do3 output OFF
abnormality
Although the Do3 output is OFF, the output monitor incorrectly
becomes ON.
±
E2203
Cause: Signal line short circuit, board malfunction
Remedy: Perform inspection for the above possible cause.
