Kubota V3800-CR-TE4 Diagnosis Manual page 304

V3800-CR-TE4,V3800-CR-TIE4, DM
3. Check the Function of DPF
1. Operate the engine for 30 minutes in the normal condition.
Factory "DPF Regeneration Request" is not detected within 30
specification minutes.
OK Normal.
NG Replace the DPF assembly.
(a) DPF Manual Regeneration
Reguest Button
1-S277
COMMON RAIL SYSTEM
9Y1200192CRS0552US0
KiSC issued 05, 2012 A