Komatsu Galeo PC800-8 Shop Manual page 467

40 Troubleshooting
No.
32 Boom does not move
33 Arm does not move
34 Bucket does not move
35 Hydraulic drift of work equipment is large
36 Time lag of work equipment is large
37 Heavy lift function does not operate or stop
38 Machine push-up function does not operate or stop
39 Boom shockless function cannot be turned ON or OFF
40 Machine deviates in one direction
41 Machine deviates largely at start
42 Machine deviates largely during compound operation
43 Travel speed or power is low
44 Machine does not travel (only one track)
45 Travel speed does not change
46 Travel alarm does not sound or does not stop sounding
47 Upper structure does not swing
48 Swing speed or acceleration is low
Swing speed or acceleration is low during compound operation of
49
swing and work equipment
50 Upper structure overruns excessively when it stops swinging
51 Large shock is made when upper structure stops swinging
52 Large abnormal sound is made when upper structure stops swinging
53 Hydraulic drift of swing is large
Machine monitor-related failure (Operator's menu: ordinary display)
54 Any item is not displayed on monitor panel
55 Part of display on monitor panel is missing
56 Monitor panel displays contents irrelevant to the model
57 Fuel level monitor red lamp lights up while engine is running
58 Engine coolant thermometer does not display normally
59 Hydraulic oil temperature gauge does not display correctly
60 Fuel gauge does not display correctly
61 Swing lock monitor does not display correctly
62 When monitor switch is operated, nothing is displayed
63 Windshield wiper and window washer do not work
PC800, 850-8
Failure-looking phenomenon
Travel-related failure
Swing-related failure
Troubleshooting
Display of
E mode H mode
code
E-6
E-7
E-32
E-8
E-9
E-10
E-11
E-12
E-13
E-14
E-15
E-16
E-17
SEN00789-02
S mode
H-8
H-9
H-10
H-11
H-12
H-13
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