Komatsu HM400-5, Operation & Maintenance Manual

Page: 184 / 446

When the degree of emergency is low
• If KDPF soot accumulation caution lamp (2) lights up in
yellow (action level (4): “L01”), screen (A) is displayed first.
• The action level goes out 2 seconds after and the screen
changes to standard screen (B).
• If the machine is completely stopped, the display switches
to “Aftertreatment Devices Regeneration” screen (C) after
3 seconds only the first time. If, however, the manual sta-
tionary regeneration is not performed, the display returns
to standard screen (B) after 30 seconds.
Then, if the accumulated soot does not decrease, the “Af-
tertreatment Devices Regeneration” screen (C) is dis-
played for 30 seconds every 2 hours.
• If KDPF soot accumulation caution lamp (2) lights up in
yellow, stop the machine in a safe place and perform the
manual stationary regeneration.
When the degree of emergency is high
• KDPF soot accumulation caution lamp (2) lights up in red
and the action level “L03” lights up in red (4).
• If the machine is stopped completely, the screen changes
to the “Aftertreatment Devices Regeneration” screen (E)
after 3 seconds.
Then, the “Aftertreatment Devices Regeneration” screen
(E) and standard screen (D) are automatically displayed
alternately in accordance with machine stop, until the man-
ual stationary regeneration is performed.
• If KDPF soot accumulation caution lamp (2) lights up in
red, immediately stop the machine in a safe place and per-
form the manual stationary regeneration.
EXPLANATION OF COMPONENTS OPERATION
3-124