OPERATING CONTROLS AND PROCEDURES 2250 OPERATOR MANUAL
3-60
Published 06-24-16, Control # 241-01
* = Optional
Table 3-8. Additional Notes
BATTERY VOLTAGE LOW System voltage below 11 V. Handle commands disabled.
I/O BOARD FAULT n CPU not communicating with I/O board n,
where:
1—first I/O board after the CPU
2—second I/O board after the CPU
4—third I/O board after the CPU
8—fourth I/O board after the CPU
Failure of more than one board is
indicated by an n value that is the sum of
the n values associated with each board
(for example, if n=6, the second and third
I/O boards after the CPU may have
failed).
Check for a loose or damaged I/O board.
Reposition and reconnect the boards in the
circuit to see if the problem moves with the
location. If the indicated fault code n does not
change, the problem is most likely in the
motherboard or the CPU board. Reference
troubleshooting procedures in Folio 2238.
Display Reading Cause of Fault Function Response
Table Notes Abbreviation Definition
[1]
[2]
The maximum angle at which the boom will stop
varies with each attachment. See Boom Stop
Adjustment in Section 4 of the Crane Service
Manual for the maximum angle at which the boom
stops.
It is normal for the AUX SYS HYD FILTER fault to
come on at startup when the oil in the auxiliary
hydraulic tank is cold. The alert should turn off as
the oil temperature rises to normal.
+
-
%
A1
A2
A3
ANG
AUX
BHITCH
CLAM
CTWT
D1
D2
D3
DEG F
HYD
LUFF
MIN
MAX
MXR
PRESS
PSI
PSIA
RPM
SYS
TEMP
Plus
Minus
Percent
Handle Inputs
Pump Control Outputs
Programmer’s Screen
Angle
Auxiliary
Backhitch
Clamshell
Counterweight (MAX-ER)
On-Off Inputs
Digital Inputs
Digital Inputs or Outputs
Degrees Fahrenheit
Hydraulic
Luffing
Minimum
Maximum
MAX-ER 2000
Pressure
Pounds Per Square Inch
Pounds Per Square Inch Absolute
Revolutions Per Minute
System
Temperature
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