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TROUBLESHOOTING
E-5 Auto-decelerator does not operate
Trouble
• Auto-decelerator does not operate.
• Since the auto-decelerator is set to 1,400 rpm, it does not operate if the fuel control dial is not set above
Related
this level.
information
• Check the display on the monitor panel while the engine is running.
1 Defective boom RAISE
signal
Defective boom LOWER
2
signal
3 Defective arm IN signal
4 Defective arm OUT signal
Possible causes
5 Defective bucket CURL
and standard
signal
value in normal
state
Defective bucket DUMP
6
signal
7 Defective swing signal
8 Defective travel signal
9 Defective attachment
signal
10 Defective governor and
pump controller
20-414
(1)
Cause
Standard value in normal state/Remarks on troubleshooting
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-23.
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-24.
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-25.
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-26.
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-27.
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-28.
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-29.
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for E-30.
Monitoring code
IIf the display on the monitor panel is abnormal, carry out troubleshoot-
ing for E-31.
Troubleshooting cannot be carried out since the defect is in the gover-
nor and pump controller (If none of causes 1 – 9 is the cause of the trou-
ble, the governor and pump controller is defective).
6-bit display
(Center of lower line)
020
6-bit display
(Center of upper line)
020
6-bit display
(Left of upper line)
020
6-bit display
(Left of lower line)
020
6-bit display
(Right of upper line)
021
6-bit display
(Right of lower line)
021
6-bit display
(Right of upper line)
020
6-bit display
(Right of lower line)
020
6-bit display
(Center of lower line)
021
E-5
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
When lever is
operated: ON
When lever is in
neutral: OFF
PC130-7
- Quick Links:
- Hydraulic and Mechanical System Diagram
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