37OPERATION OF THE ENGINE
BPM Warning Level and Required Procedures
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 below.
A Once the regeneration level has been reached, immediately perform the required procedure for regeneration.
Interrupting the regeneration cycle or continued operation by ignoring the warning signs may cause DPF and engine
damage.
Auto Regeneration Mode
DPF system status Required procedure
PM warning level: 1
Buzzer: every 60
seconds sounding
The regeneration indicator 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 indicator will stop
flashing and remain "ON" constantly.
The regeneration cycle begins until cycle is
complete then the indicator will turn "OFF".
PM warning level: 2
Buzzer: Sounding
every 60 seconds
If the regeneration cycle was interrupted or conditions are not satisfied for regeneration then DPF
system in now in Level 2.
The regeneration indicator starts flashing. Start the regeneration, referring to "PM
warning level: 1" above.
Now the parked regeneration indicator
starts flashing, and the parked
regeneration can also be started.
If the regeneration conditions are not met,
perform the parked regeneration.
A For the procedure, refer to "Operating
Procedure for Parked Regeneration".
The parked regeneration indicator starts
flashing.
PM warning level: 3
Buzzer: Constantly
Sounds
Engine output: 50%
If the regeneration fails in the warning level 2:
The regeneration indicator starts flashing. Immediately discontinue working the
machine and begin the parked
regeneration cycle process.
A For the procedure, refer to "Operating
Procedure for Parked Regeneration".
A At this PM warning level, the Auto
Regeneration Mode does not function.
If the machine is operated further, then
regeneration will be disabled.
The engine warning indicator starts
flashing.
The parked regeneration indicator starts
flashing.
PM warning level: 4
Buzzer: Constantly
Sounds
Engine output: 50%
If the parked regeneration is interrupted or the machine is continuously operated in the warning
level 3:
The engine warning indicator remains
constantly "ON".
Immediately move the machine to a safe
place and place in park, turn "OFF" engine.
Contact your local KUBOTA Dealer.
A At this level, never continue to operate
the machine otherwise damage may
result to the DPF and engine.
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