Komatsu ecot3 WA430-6 Operation & Maintenance Manual page 68

OPERATION
FAILURE CODE DISPLAY
If an action code is displayed on the character display, check the failure code according to the failure code display
method given below.
When contacting your Komatsu distributor to request repairs, inform your distributor of the failure code.
Method of displaying failure code
1. If an action code is displayed on the character display of
display portion (3), press the top (>) of machine monitor mode
selector switch 2 (A).
The action code will change to the failure code.
The failure code is displayed with the first 6 digits on the left
of the top line of the character display.
The code displayed after the space on the right side of the
failure code indicates the controller that detected the failure
code.
The component causing the failure is displayed on the
bottom line of the character display.
Top right code Controller detecting failure code
MON Machine monitor
TM Transmission controller
WRK Work equipment controller (if equipped)
ENG Engine controller
2. Press the top (>) of machine monitor mode selector switch 2 (A) again.
If the condition is normal, the service meter is displayed for several seconds, then the display returns to the
action code.
If more than one failure has occurred at the same time, the next failure code is displayed.
EXPLANATION OF COMPONENTS
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