4.1 PM warning level and required procedures
In
the regeneration inhibit mode, 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 while ignoring the warning signs may cause
DPF and engine damage.
Regeneration inhibit mode
DPF system status Required procedure
PM warning level: 1
Buzzer: Not sounding
The regeneration indicator starts flashing. A specific level of PM has built up in the DPF
muf
fler.
Continue with the operation as it is.
At PM warning levels range from 1 to 2-2, it is also possible to change DPF inhibit switch to
auto regeneration mode, then perform the regeneration.
PM warning level: 2-1
Buzzer: Sounding every 5 sec-
onds
The regeneration indicator starts flashing. Move the tractor to a safe area, then begin
the parked regeneration cycle process.
(See Operating procedure for parked regener-
ation on page 49.)
PM warning level: 2-2
Buzzer: Sounding every 3 sec-
onds
The parked regeneration indicator starts
flashing.
PM warning level: 3
Buzzer: Sounding every 1 second
Engine output: 50%
If the parked regeneration cycle is interrupted or the tractor is continuously operated in the PM warning lev-
el 2:
The engine warning indicator starts flashing. Immediately stop working the tractor, move
the tractor to a safe area, then begin the
parked regeneration cycle process.
(See Operating procedure for parked regener-
ation on page
49.)
If the tractor is operated further and the oper-
ator ignores the warning signs, then regener-
ation will be disabled.
The parked regeneration indicator starts
flashing.
PM warning level: 4
Buzzer: Sounding every 1 second
Engine output: 50%
If the regeneration cycle is interrupted or the tractor is continuously operated ignoring the warning signs, in
the PM warning level 3:
The engine warning indicator remains con-
stantly “ON”.
Immediately move the tractor to a safe place,
park it there and turn the engine “OFF”.
Contact your local KUBOT
A Dealer.
• At this level, do not continue to operate
the tractor; otherwise, damage may re-
sult to the DPF and engine.
OPERATING THE ENGINE DIESEL PARTICULATE FILTER (DPF) MUFFLER
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