5.6.5 DPF REGENERATION LAMP AND SWITCH
1. The HEST (High Exhaust System Temperature) Lamp notifies the operator when
hot exhaust gas is being discharged from the engine during DPF regeneration.
Be sure to keep the area around the exhaust manifold free of flammable
materials.
Figure 48 - HEST lamp
2. The DPF Regeneration Lamp turns on either during regeneration or when
regeneration is needed and turns off during active regeneration while operating
if the soot level is less than 100%. The lamp appears as shown on the right when
the operator disables regeneration.
Figure 49 - DPF regeneration lamp
Chapter 5: Maintenance
Redwood Global Ltd - ST6D42
Operator and Maintenance Manual
91 12-00-004 v2.1
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