EMISSION SOLUTION AND CONTROL
AFTERTREATMENT, MACK
The EATS Status menu displays the soot
and ash level. If either of these levels is
above acceptable levels, a regeneration
is required.
When the EATS Service DID screen
display and the Stop Light illuminates,
stop the vehicle immediately and
perform a Parked Regen. If that Parked
Regen fails take the vehicle immediately
to a Mack service center for EATS.
The High Exhaust System Temperature
(HEST) Icon comes on when the vehicle
exhaust temperature becomes elevated.
The Icon also comes on during the
REGEN.
NOTE
It is important to perform a regeneration
when required to avoid engine problems.
Long-term engine operation with
Aftertreatment DPF Regeneration
Required screen displayed may result in a
loss of engine performance, reduced
horsepower, torque and speed, and
derate. Also, the aftertreatment DPF may
become overloaded with soot and require
service at a authorized Mack dealer.
Aftertreatment DPF Regeneration cannot
be initiated if not required. The following
conditions must be met for parked
Regeneration:
• Parking brake on and transmission in
neutral
• Minimum 10-volts battery charge
• Engine running
• Accelerator and clutch pedal
released
• PTO not active
• Parked Aftertreatment Regeneration
required, message displayed
If the conditions are not met and a
parked REGEN is attempted the “Regen
Unavailable” screen displays.
Once all the regeneration conditions are
met, press Enter.
The Do you want to request a REGEN
now? screen displays.
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