Instrument Cluster Icons
Aftertreatment icons are displayed on the instrument cluster. There are 3 aftertreatment icons:
•
Aftertreatment DPF Regeneration Required
•
High Exhaust System Temperature (HEST)
•
Aftertreatment DEF Tank Low Level Indicator
The Aftertreatment DPF Regeneration Required icon flashes when the Diesel Particulate Filter (DPF) is full/overfull and re-
generation is needed.
W3007445
Aftertreatment DPF Regeneration Required Icon
The HEST icon illuminates when a parked Aftertreatment DPF Regeneration Required is initiated. It also indicates high ex-
haust gas temperature during a passive regeneration. When the HEST icon is illuminated, do not park or operate the vehicle
near people, or any flammable materials, vapors, or structures.
W3007444
HEST Icon
The aftertreatment DEF tank low level indicator icon illuminates when the fluid level is low. It also flashes when the level be-
comes critically low.
W2029416
Aftertreatment DEF Tank Low Level Indicator
Mack Body Builder Instructions
CHU, CXU, GU, TD, MRU, LR
USA139046859
Date 5.2017
Body Builder; Engine, MP7, MP8, and MP10
Page 32 (43)
All Rights Reserved
