Komatsu 170-3 Series Shop Manual page 179

TROUBLESHOOTING
3. Points to remember when troubleshooting
1) Points to remember if abnormality returns to
normal by itself:
If the connector is disconnected and the T-
adapter is inserted, or if the T-adapter is
removed and the connector is returned to its
original position when carrying out trouble-
shooting, and the error code is no longer dis-
played, the abnormality has proba-bly
returned to normal by itself.
However, there is a high probability that the
same problem will occur again, so it is desir-
able to follow up this problem carefully.
2) Handling connectors:
Before carrying
c h e c k th a t a ll th e c o n n e c to rs re la te d to
the error code are properly inserted.
Always connect any disconnected con-
nectors before going on the next step
and when finishing the troubleshooting
operation.
170-3 SERIES
out troubleshooting,
ERROR CODE DISPLAY AND POINTS TO
REMEMBER WHEN TROUBLESHOOTING
12-209