Problem
Main causes
Remedy
Charge level caution lamp does not
go out even when engine is running.
Defective alternator
Replace. (*)
Defective wiring
Check, repair. (*)
Loose fan belt
Check fan belt tension and replace.
(*)
Unusual noise is generated from al-
ternator.
Defective alternator
Replace. (*)
Starting motor does not rotate even
when starting switch is turned to
START position.
Defective wiring
Check, repair. (*)
Defective starting motor
Replace. (*)
Insufficient battery charge
Charge battery.
Battery disconnect switch at OFF po-
sition
Turn ON.
Engine shutdown secondary switch
at “engine stop” position
Set it to “Normal” position and install
a cover to it.
Pinion of starting motor repeats en-
gaging and disengaging (rattles).
Insufficient battery charge
Charge battery.
Defective safety relay
Replace. (*)
Starting motor turns engine sluggish-
ly.
Insufficient battery charge
Charge battery.
Defective starting motor
Replace. (*)
Starting motor disengages before
engine starts.
Defective wiring, defective ring gear
and pinion
Check, repair. (*)
Insufficient battery charge
Charge battery.
Preheating pilot lamp does not light
up.
Defective wiring
Check, repair. (*)
Defective heater relay
Replace. (*)
Defective monitor
Replace. (*)
Oil pressure caution lamp does not
light up when engine is stopped
(starting switch is at ON position).
Defective monitor
Replace. (*)
Defective caution lamp switch
Replace. (*)
When startability at low temperature
is poor, if you touch the outside of
the electric heater by hand after pre-
heating, it is not felt warm.
Defective wiring
Check, repair. (*)
Wire breakage in electrical intake air
heater
Replace. (*)
Defective operation of heater relay
Replace. (*)
Blown fuse of heater
Replace. (*)
Engine does not start.
(L04 lights up on monitor.)
Damaged data in the controller
Check, repair. (*)
Other system troubles
Check, repair. (*)
When travel lever is operated, travel
alarm does not sound.
Defective wiring
Check and repair loose connector ter-
minal or wire breakage. (*)
Defective alarm
Replace. (*)
Defective PPC pressure sensor
Replace. (*)
Rearview monitor displays nothing.
(Machine with rearview camera)
Defective wiring
Check and repair loose or discon-
nected connector or wire breakage.
(*)
Defective camera
Replace. (*)
Defective monitor
Replace. (*)
OPERATION
TROUBLES AND ACTIONS
3-233
WENAM00061
Содержание PW98MR-10
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Страница 9: ...Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVELS 1 7 WENAM00061...
Страница 35: ...21 Lock front window 22P 00 11381 22 Lifting decal 21D 00 41170 SAFETY SAFETY LABELS 2 15 WENAM00061...
Страница 68: ...WENAM00061...
Страница 70: ...GENERAL VIEW MACHINE EQUIPMENT NAME 1 Bucket cylinder 2 Arm GENERAL VIEW OPERATION 3 2 WENAM00061...
Страница 73: ...CONTROLS AND GAUGES NAMES OPERATION GENERAL VIEW 3 5 WENAM00061...
Страница 157: ...SWITCHES OPERATION EXPLANATION OF COMPONENTS 3 89 WENAM00061...
Страница 305: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1 WENAM00061...
Страница 388: ...WENAM00061...
Страница 389: ...SPECIFICATIONS 5 1 WENAM00061...
Страница 392: ...RKA55390 SPECIFICATIONS SPECIFICATIONS 5 4 WENAM00061...
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Страница 428: ...WENAM00061...
Страница 429: ...REPLACEMENT PARTS 7 1 WENAM00061...
Страница 444: ...F10003 WHEELED EXCAVATOR Form No WENAM00061 2016 KOMATSU All Rights Reserved Printed in Japan 07 2016 WENAM00061...
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