Komatsu PC88MR-10 Shop Manual page 529

No.
78 Fuel gauge display does not move from minimum or maximum.
79 Fuel gauge indicates incorrect amount (indicates neither full nor empty).
Engine coolant temperature gauge display does not move from minimum or
80
maximum.
Engine coolant temperature gauge indicates incorrect temperature (indicates
81
neither full nor empty).
82 Hydraulic oil temperature gauge does not move from minimum or maximum.
Hydraulic oil temperature gauge indicates incorrect temperature (indicates neither
83
full nor empty).
84 Some areas of machine monitor screen are not displayed.
85 Function switch does not work.
86 Alarm buzzer does not stop sounding.
87 Service meter is not displayed, while starting switch is in OFF position.
88 Service mode cannot be selected.
89 Horn does not sound.
90 Horn does not stop sounding.
91 Wiper monitor does not light up, or does not go out, while wiper switch is operated.
92 Wiper does not operate while wiper switch is operated.
93 Window washer does not operate while window washer switch is operated.
Air conditioner does not operate normally (including failure code related to air
94
conditioner)
95 Monitoring function does not display lever control signal normally
96 KOMTRAX system does not work properly
PC88MR-10
Problem
Others
40 Troubleshooting
Related information on troubleshooting
Troubleshooting
"Testing and
troubleshooting
procedure" in
Chapter 80
E-42 to E-53
Index
E-12
E-13
E-14
E-15
E-16
E-17
E-18
E-19
E-27
E-28
E-29
E-37
E-38
E-39
E-40
E-41
E-54
40-41