H-5 The Gear Is Not Shifted - Komatsu WA250-6 Shop Manual

SEN03849-00

H-5 The gear is not shifted

a If the speed range switch and the monitor display do not match, check
the electrical wiring.
a When the travel speed is slow, carry out troubleshooting for H-2 first.
No.
Diagnosis
1 The gear is not shifted
12
40-500
500 Troubleshooting of hydraulic and mechanical system (H-mode)
Remedy
H-5 The gear is not shifted
Cause
HST HST
Others
motor 2 motor 1
a b c
E E E
X X X
Q Q Q
WA250, 250PZ-6
1
d
E
X
Q