Komatsu ecot3 PC300LC-8 Shop Manual page 497

40 Troubleshooting
No. Phenomena supposed to show troubles
37 The power maximizing function does not work.
In compound operation of work equipment, speed of part
38
loaded more is low
When machine swings and raises boom simultaneously,
39
boom rising speed is low
When machineswings and travels simultaneously, travel
40
speed lowers largely
41 Machine deviatesduring travel
42 Travel speed is low
43 Machine is notsteered well or steering power is low
Travel speed does not change or travel speed is low or
44
high
45 Travel systemdoes not move (only one side)
46 Upper structure does not swing
47 Swing accelerationor swing speed is low
Upper structure overruns remarkably when it stops swing-
48
ing
49 Large shock is made when upper structure stops swinging
50 Large sound is made when upper structure stops swinging
51 Hydraulic drift of swing is large
Phenomena related to machine monitor (Operator menu: ordinary screen)
52 Machine monitor does not display any items
53 Machine monitordoes not display some items
Contents of display by machine monitor are different from
54
applicable machine
Radiator coolant level monitor lights up in red during check
55
before starting
Engine oil level monitor lights up in red during check
56
before starting
Maintenance interval monitor lights up in red during check
57
before starting
Charge level monitor lights up in red while engine is run-
58
ning
59 Fuel level monitor lights up in red while engine is running
Air cleaner clogging monitor lights up in red while engine is
60
running
Engine coolant temperature monitor lights up in red while
61
engine is running
Hydraulic oil temperature monitor lights up in red while
62
engine is running
Engine coolant temperature gauge does not indicate nor-
63
mally
Hydraulic oil temperature gauge does not indicate nor-
64
mally
65 Fuel level gauge does not indicate normally
66 Swing lock monitor does not indicate normally
Machine monitor display anything even when operated on
67
monitor switch section
68 Windshield wiper and window washer do not operate
69 Machine push-up function does not work normally
Phenomena related to machine monitor (Service menu: special functions screen)
PC300, 350-8
Phenomena related to compound operation
Phenomena related to travel
Phenomena related to swing
Troubleshooting
Display of
E-mode
code
E-6, 18?23
E-25
E-25, 26
E-25
E-24
E-7
E-8
E-9
B@BCZK
B@BAZK
See the Operation and Maintenance Manual.
AB00KE
E-10
AA10NX
B@BCNS
B@HANS
E-11
E-12
E-13
E-14
E-15
E-16
E-17
SEN02628-04
H-mode S-mode
H-14
H-15
H-16
H-17
H-18
H-19
H-20
H-21
H-22
H-23
H-24
H-25
H-26
H-27
H-28
9