Failure Cause Code list
Cause code
Content
Remedies
A-1
Engine speed signal is 0 rpm.
Check that the engine starts.
A-2
Hydraulic oil temperature is low.
Check that the hydraulic oil temperature is (40 °C
{104 °F} and above).
A-3
Hydraulic oil temperature is high.
Check the hydraulic oil temperature is(60 °C {140 °F}
and below).
A-4
Overheating
Check that it is overheated.
A-A
CAN communication is faulty.
Ask your Komatsu distributor for an inspection and main-
tenance.
B-3
The control lever is not in NEUTRAL.
Set the control lever to NEUTRAL.
E-7
Stroke sensor system for boom cylinder is
abnormal (*1)
Ask your Komatsu distributor for an inspection and main-
tenance.
WA-1
Boom RAISE PPC pressure sensor is ab-
normal (valve side).
Ask your Komatsu distributor for an inspection and main-
tenance.
WA-2
Boom LOWER PPC pressure sensor is
abnormal (valve side).
Ask your Komatsu distributor for an inspection and main-
tenance.
WB-1
Boom RAISE PPC pressure sensor is ab-
normal (lever side).
Ask your Komatsu distributor for an inspection and main-
tenance.
WB-2
Boom LOWER PPC pressure sensor is
abnormal (lever side).
Ask your Komatsu distributor for an inspection and main-
tenance.
WC-1
Stroke sensor for boom spool is abnormal.
Ask your Komatsu distributor for an inspection and main-
tenance.
WD-1
Boom RAISE PPC Intervention EPC is ab-
normal.
Ask your Komatsu distributor for an inspection and main-
tenance.
WD-2
Boom RAISE reduce pressure EPC is ab-
normal.
Ask your Komatsu distributor for an inspection and main-
tenance.
WD-3
Boom LOWER reduce pressure EPC is
abnormal.
Ask your Komatsu distributor for an inspection and main-
tenance.
WE-1
Boom RAISE Intervention relay signal is
OFF.
Ask your Komatsu distributor for an inspection and main-
tenance.
WH-7
Engine speed is not Hi.
Turn the fuel control dial to MAX.
WH-8
PPC source pressure is low.
Ask your Komatsu distributor for an inspection and main-
tenance.
FF
Obtained calibration value is out of normal
range.
Perform the calibration again.
FF-1
Ascending sequence error (Judgment is
performed by machine monitor.)
Perform the calibration again.
*1: Any of A phase open circuit, A phase short circuit, B phase open circuit, B phase short circuit, and over
range occurs in the stroke sensor of corresponding work equipment, Failure Cause Code is displayed.
METHOD FOR INITIALIZING BOOM FINE CONTROL ADJUSTMENT
In order to restore the setting value of “Boom Fine Control Adjustment”, execute this menu.
SETTING
MACHINE MONITOR
7-189
Содержание A31001
Страница 12: ...LOCATION OF SAFETY LABELS Options are shown with marks in the figure SAFETY LABELS SAFETY 2 4...
Страница 103: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
Страница 106: ......
Страница 107: ...SPECIFICATIONS 5 1...
Страница 110: ......
Страница 111: ...ATTACHMENTS AND OPTIONS Please read and make sure that you understand the SAFETY section before reading this section 6 1...
Страница 116: ......
Страница 117: ...SETTING 7 1...
Страница 311: ...EXECUTIONS 8 1...
Страница 376: ...PC360LCi 11 PC390LCi 11 HYDRAULIC EXCAVATOR Form No CEAM032703...