Sinoboom TB20J Plus - Page 166

© Feb. 2023
154 TB20J Plus Maintenance Manual
CONTROL SYSTEM
Table 11-3 Description of indicator lights for Deutz engine (Continued)
4
Standstill regeneration/high
temperature indicator light
Off
Exhaust system temperature is normal
Solid
on
Exhaust system temperature is abnormal
5
DPF replacing required due
to excessive ash content
Off Ash content is normal
Solid
on
Ash content is excessive
6
Oil replacing required due to
cumulative regeneration time
being too long
Off
Cumulative regeneration time is within the normal
range
Solid
on
Oil replacing is required due to cumulative regen-
eration time being too long
Table 11-4 Description of indicator lights for Yuchai & Yanmar engines
No.
Indicator light
Status
Description Symbol
1
Engine malfunction indicator
light
Off
Engine works normally
Solid
on
Engine malfunctions
2
Regeneration request indica-
tor light (Yanmar)
Off
Regeneration is not requested and needs not to
be performed
Solid
on
Regeneration is requested, with a reminder that
regeneration must be performed
DPF regeneration reminder
indicator light (Yuchai)
Off
Regeneration is not performed or requested
Solid
on
The carbon content in DPF is too high, so it is rec-
ommended to perform parked regeneration
Slow
flash-
ing
Since the carbon content in DPF is too high, per-
form parked regeneration or service regeneration
immediately
Fast
flash-
ing
Since DPF is heavily clogged, perform service re-
generation immediately
3
High exhaust temperature in-
dicator light
Off
Exhaust system is at normal temperature
Solid
on
Exhaust system temperature exceeds the set
limit
4
Regeneration execution indi-
cator light
Off
Regeneration execution is inactive
Solid
on
Regeneration function is being executed
5
NCD indicator light (Yanmar
only)
Off
NCD is not working
Solid
on
NCD is working
6
Regeneration prohibiting indi-
cator light (Yuchai only)
Off
Conditions prohibiting active regeneration do not
exist
Solid
on
ECU receives the set status of regeneration pro-
hibiting switch, and active regeneration can’t be
performed
Note: • When regeneration request indicator light