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3.1.2 PM warning level and required procedures for Auto Regeneration Mode
During
“Auto Regeneration Mode”
when the PM level has built up in the DPF, the regeneration cycle will begin
automatically. If the regeneration cycle is interrupted or the regeneration conditions are not satisfied, the buzzer starts
sounding and the indicator display changes in response to the PM level in order to prompt the operator to perform the
required procedure listed in the following table.
IMPORTANT :
• Once the regeneration level has been reached, immediately perform the required procedure for
regeneration.
Interrupting the regeneration cycle or continuing operation by while ignoring the warning signs may
cause DPF and engine damage.
Auto regeneration mode
DPF system status
Required procedure
PM warning level
Buzzer
Engine
output
Indicator
1
Every 60 sec-
onds sounding
sufficient
The regeneration indica-
tor starts flashing.
A specific amount of PM has accumulated in
the DPF muffler.
Continue to work the machine to raise the
DPF temperature.
The regeneration cycle begins until regener-
ation cycle is complete, then the regenera-
tion indicator will turn
“OFF”
.
The regeneration indica-
tor will stop flashing and
remain on constantly.
If the regeneration cycle was interrupted or conditions are not satisfied for regeneration, then DPF system is now in the PM-warning-level 2.
2
Every 60 sec-
onds sounding
sufficient
The regeneration indica-
tor starts flashing.
Start the regeneration, referring to the pre-
ceding PM-warning-level 1.
Now the parked-regeneration-indicator starts
flashing, and the parked regeneration can al-
so be started.
If the conditions of regeneration are not met,
perform the procedure for parked regenera-
tion cycle.
(See Operating the machine for Parked Re-
generation Mode on page 57)
The parked-regeneration-
indicator starts flashing.
If the regeneration fails in the PM-warning-level 2, DPF system becomes in the PM-warning-level 3.
3
Constantly
sounds
50%
The regeneration indica-
tor starts flashing.
Immediately discontinue working the ma-
chine and begin the procedure for parked-re-
generation cycle.
(See Operating the machine for Parked Re-
generation Mode on page 57)
At PM-warning-level 3, the
“Auto Regenera-
tion Mode”
does not function.
If the machine is operated further, then re-
generation will be disabled.
The engine-warning-indi-
cator starts flashing.
The parked-regeneration-
indicator starts flashing.
If the parked regeneration is interrupted or the machine is continuously operated in the PM-warning-level 3, DPF system becomes in the PM-
warning-level 4.
4
Constantly
sounds
50%
The engine-warning-indi-
cator remains constantly
“ON”
.
Immediately move the machine to a safe
place, place the machine in park, and turn
“OFF”
the engine.
Contact your local KUBOTA dealer.
•
At PM-warning-level 4, do not continue
to operate the machine. Otherwise,
damage will result to the DPF and the
engine.
OPERATION OF THE ENGINE
EXHAUST AFTERTREATMENT DEVICES
56
R540
Summary of Contents for R540
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