21-18 Electronic Controller D20x22 Series II Navigator HDD
Forced (Manual) Regeneration
A forced regeneration is required if:
•The fault message at right
appears, or
•The Diesel Particulate Filter
Symbol (1) appears, or
•Coolant temperature (2) reads
150°F (65°C) or higher.
Refer to the next page for forced
regeneration procedure.
NOTICE: Coolant temperature must be 150°F (65°C) or higher to perform a forced regeneration.