TROUBLESHOOTING
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING
PROCEDURE
If any abnormality should occur, it is necessary to go to the correct troubleshooting chart in accordance with the
judgement table for that type of failure (engine throttle controller, pump controller, valve controller). For details of
the troubleshooting and troubleshooting procedure, refer to this flow chart. .
When carrying out troubleshooting, ask the operator as much as possible about the condition of the machine, and
check the following items before starting.
(1)
Condition of controller connection (check with monitoring code 02 - 04)
(2)
Blown fuses (monitoring code 32)
(3)
Battery voltage (monitoring code 32)
(4)
Electricity generation (charge input) voltage (monitoring code 43)
The procedure for carrying out check items No. 3 and No. 4 in the flow chart below is given on the following
pages.
Is there a user
~n~h~isplay
monitor
panel?
f
E02
(Pump TVC system)
ES
E03
(Swing holding brake system)
Go to Item No.2
L E05
(Governor motor system)
E2:OO to E2:99 for pump controller system (C mode)
Carry out troubleshooting for
~;rnn;~;troller system
7
I
I
Is service
code
displayed on
1 monitor
panel?
l Operate and
check service
code.
LE3:00 to E3:OO for engine throttle controller system (E mode)
Carry out troubleshooting for
engine throttle controller-system
fE mode, El-El01
.
Are monitor
panel switch
signals
output
correctly?
I
*Check
condition of
S-NET in
monitoring
code 08.
*Note (see
next page)
1
l Check using
monitoring
mode.
l Engine thron
(Es
I
1
tle h
controller
30 - 35‘37
YE
5
l After
adjusting oil
pressure!
judge from
engine speed.
l Is all work
equipment
slow, does
engine speed
drop under_
Is engine
electrical
system for
which there is
no service
;o;erJ;;pfay
l Go to flow
chart for
section
where is no
service code
display on
j$,ment
‘ES Carry out troubleshooting for
r
engine system (S mode)
LCarry out troubleshooting for
NOengrne system fE mode, Eli-E15)
Car.ry ?ut troubleshooting for
0
nyaraulrc mechanrcal system
(H mode)
Carry out troubleshooting for
pump controuer rnput srgnar
system (F mode).
l rump controller
lo-23
l Valve controller
50-69
heavy load?
10
*Note-(see next page)
NO
If the display is not given, the
controller is defective.
20-106
0
To Next Page
Loading...
Need help?
General
