CONTROL SYSTEM
TB20J Plus Maintenance Manual 153
© Feb. 2023
Fig 31 EAT INFO interface (with EAT not started)-
Equipped with Yuchai or Yanmar engine
3) If EAT is not completed within the specified time,
a red warning will appear on the EAT INFO in-
terface, and the status indicator light will be on.
At this time, it is necessary to contact the engine
manufacturer for EAT.
Fig 32 EAT INFO interface (with EAT started)-
Equipped with Deutz engine
Fig 33 EAT INFO interface (with EAT started)-
Equipped with Yuchai or Yanmar engine
Table 11-3 Description of indicator lights for Deutz engine
No.
Indicator light
Status
Description Symbol
1
SCR fault warning indicator
light
Off
SCR system is working normally
Solid
on
SCR system is faulted
2
DEF level indicator light
Off DEF level is normal
Solid
on
DEF level is too low
3
Standstill regeneration indica-
tor light
Off
Standstill regeneration is not performed or
requested
Solid
on
Standstill regeneration is being performed
Slow
flash-
ing
Standstill regeneration is requested
Fast
flash-
ing
Standstill regeneration is requested, but since the
operator has ignored the request for a long time,
the standstill regeneration can only be completed
through the DEUTZ diagnostic tool.
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