Diesel Particulate Filter (DPF) Regeneration Functionality

Status Detection

The screen icons are determined by the state of the Diesel Particulate Filter and whether the machine is parked.

No Regeneration Required

• NOTE: Button C and D have the same functions for all DPF Status screens in the DPF section.
  Button C: Proceed to Main Screen
• Button D: Enable/Disable Auto Regeneration

• 
  TCT008495-UN-30SEP13

  Auto Regeneration Enabled

  DPF Auto Icon: when Auto Regeneration is enabled, above image is shown. When disabled, a line crosses through the icon.

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Parked Re-Generation Available

NOTE: Button B has the same function for all DPF Status Screens in section.

• Before starting a Parked Regeneration Cleaning, the operator should:
  1. Park the vehicle on a paved surface.
  2. Ensure that the vehicle is in neutral.
  3. Engage the park brake (ON).
  4. Disengage the cutting units (PTO Switch OFF).
  5. Move the throttle lever to the low idle position. NOTE: If the engine is not at low idle, a parked regeneration will not start.
     

• 
  TCT008496-UN-30SEP13

  Parked Re-generation (Left) Auto Regeneration Disabled (Right) Auto Regeneration Enabled

  When button B (Filter with “P”) icon shown above is flashing, user may press and hold the button for two seconds to initiate a Parked Regeneration operation. NOTE: A delay occurs before the engine rpm increases and the parked regeneration begins.
  

  
  TCT009082-UN-04NOV13

  The above graphic shows the DPF top-level screen during a Parked Regeneration. The progress bar reflects the percentage complete of the Parked Regeneration process.

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Parked Regeneration Interlock Notification Pop-Ups

If user presses the Parked Regeneration button when it is not flashing (when regeneration is required, but interlocks are not met), then one of the following machine status notifications will appear:

Park Brake Off

TCT008515-UN-30SEP13

Park Brake Off, Parked Regeneration Interlock

Park brake must be set to start a Parked Regeneration.

PTO Engaged

TCT008516-UN-30SEP13

PTO Engaged, Parked Regeneration Interlock

PTO must not be on to start a Parked Regeneration.

Warning Indicator

TCT008497-UN-30SEP13

Exhaust Gas Temp Elevated

When regeneration is occurring and exhaust temperatures are above normal, the above icon (cloud with thermometer in center-left area) displays.

Cleaning Required

TCT008498-UN-12APR14

DTC 3695.14

The above pop-up screen will display when the ‘Auto’ Regeneration button is disabled and the filter needs cleaning. This can be remedied by setting the ‘Auto’ Regeneration button to ‘Enabled’.

TCT008499-UN-30SEP13

Cleaning Required - Auto Regeneration Disabled

The above icon (filter in center-left area) indicates that an active cleaning is required, but the Auto Regeneration feature is disabled. The user should enable Auto Regeneration via button D (‘Enable’ icon).

Cleaning Required Engine Power Limited

The following DTC's are displayed when the DPF soot has reached an elevated level and cleaning is required. Engine power is limited until a cleaning is performed.

Parked Cleaning Required (Amber Warning Lamp)

TCT010645-UN-12APR14

DTC 3719.16

The above pop-up screen displays when the filter particulate level is too high. A parked cleaning operation is required. See Parked Re-Generation Available section.

Ash Cleaning Required (Amber Warning Lamp)

TCT008503-UN-12APR14

DTC 3720.16

The above pop-up screen will display when the filter particulate level is too high. A parked cleaning operation is required. Additional service may be required. See Parked Re-Generation Available section.

DPF Status Screen When DTC 3719.16 or 3720.16 is Active

TCT008501-UN-30SEP13

Parked Cleaning Required (Amber Warning Lamp)

The above icon on the left-hand side indicates that a warning lamp DTC exists. Parked cleaning is required.

Cleaning Required Engine Power and PTO Power Limited

The following DTC's are displayed when the DPF has reached its maximum soot levels and requires immediate service. Engine power is extremely limited and PTO power is disabled.

Service Regeneration Required (Red Stop Lamp)

TCT008502-UN-12APR14

DTC 3719.00, 3720.00

The above pop-up screen will display when the filter particulate level is too high. A forced regeneration by a qualified John Deere service technician is required.

DPF Status Screen When DTC 3719.00 or 3720.00 is Active

TCT008504-UN-30SEP13

Parked Cleaning Required (Red Stop Lamp)

The above icon on the left-hand side indicates that a stop lamp DTC exists. Parked cleaning is required. DPF may require additional service.