Atlas Copco QAS 250-330 JD T4i, Instruction Manual, Page: 23 / 76

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DPF INFORMATION - INDICATORS
Indicators Discription Operator Action
Exhaust Filter Cleaning Indicator Active when:
1. Exhaust gas temperature is high.
2. Elevated idle is active.
3. Exhaust filter cleaning is in process.
Machine can be operated as normal.
If operating in an area where high
exhaust temperature may be an issue,
abort exhaust filter cleaning by using the
disable feature. Only use disable feature
in emergency situation.
Exhaust Filter Indicator Active when:
Soot level in the exhaust filter indicates
need for an exhaust filter cleaning.
Warning will be present on controller
Enable auto filter cleaning to allow a
cleaning cycle.
OR
Begin a manual cleaning.
Exhaust Filter and Warning Indicators Active when:
Machine performance is reduced due to
moderately high soot level.
Warning will be present on controller
Begin a manual cleaning.
Exhaust Filter and Stop Indicators Active when:
Exhaust filter requires service, Machine
performance is reduced due to Extremely
High soot level and a stop engine request
is made.
Service the exhaust filter.
Contact your servicing dealer.
Auto Cleaning Disabled Indicator Active when:
Auto exhaust filter cleaning is disabled.
If possible, enable auto cleaning.
Always leave machine in auto cleaning mode unless forced to use a manual cleaning.
Do not let machine operate unloaded excessively, exhaust filter performance is reduced.