3-10
This lamp lights ON when the SCR cleaning is needed and lamp
flashes when manual SCR cleaning is activeted as table below.
刮
SCR (Selective Catalytic Reduction) CLEANING WARNING LAMP
Condition
Warning lamp
Remark
SCR
cleaning
lamp
DEF
Low
Lamp
Engine
Check
Lamp
Engine
Stop
Lamp
SCR needs to be cleaned
On
-
-
-
1. Change to a more challenging
duty cycle.
2. Perform manual SCR cleaning.
SCR needs to be cleaned
immediately
On
-
On
-
Manual SCR cleaning is required.
Stationary SCR cleaning status
Flash
-
-
-
-
DEF level initial warning
-
On
-
-
DEF level 10%
Engine error code 3497
DEF level critical warning
-
Flash
-
-
DEF level 5%
Engine error code 3498
DEF level initial warning
-
Flash
On
-
DEF level 2.5%
Engine error code 1673, 25% derate
DEF level secondary derate
warning
-
Flash
On
-
DEF level 0%
Engine error code 3547,3714
50% derate, 30 min.
DEF level final derate warning
-
Flash
On
On
Engine error code 3712
Contact Hyundai service center or
dealer.
Manual SCR cleaning applies if the machine is in a fireproof
area and there is no plan to turn off the machine during the
SCR cleaning.
Stop and park the machine.
Push the switch to position
刯#
to initiate the manual SCR
cleaning.
Refer to the page 3-35 for the switch operation.
The engine speed may increase during SCR cleaning and it
will take approximately 20~60 minutes depending on condition.
The SCR cleaning lamp flash and HEST warning lamp will
light on during the manual SCR cleaning function is operating.
The SCR cleaning and/or HEST warning lamp will light OFF
when the SCR cleaning function is completed.
侍
刮
刯
侍
侍
到
刱
OFF
SCR warning
lamp
OFF
HEST warning
lamp
SCR warning
lamp
HEST warning
lamp
ON
ON
1
2
OFF
Manual SCR cleaning method
50D93CD143
侍
(13)
50D93CD52