JLG 400S Service And Maintenance Manual page 236

SECTION 3 - CHASSIS & TURNTABLE
Deutz Blink
SPN FMI
Code Code
4343 4 1097 673
4343 5 1094 673
4345 3 1092 674
4345 4 1093 674
4345 5 1090 674
4360 0 1069 668
3-178
Table 3-16. Deutz Engine Fault Codes
Description
Urea pressure line heater: the current drain
measured by ECU is above the target range
Urea pressure line heater: the current drain
measured by ECU is above the target range
Urea backflow line heater: the current
drain measured by ECU is above the target
range
Urea backflow line heater: the current
drain measured by ECU is above the target
range
Urea backflow line heater: the current
drain measured by ECU is above the target
range
The filtered urea cat upstream temperature
is greater than an applicable maximum
temperature threshold
Possible Cause
Shortcut to ground
If this error detected during the heating phase
is a result error: KWP 1089
Short cut to ground or broken wiring, broken
heating element in pressure line
Open load
If this error detected during the heating phase
is a result error: KWP 1089
Broken wiring, broken heating element in
pres- sure line
Shortcut to battery
If this error detected during the heating phase
is a result error: KWP 1089
Short cut to battery or broken wiring, broken
heating element in backflow line
Shortcut to ground
If this error detected during the heating phase
is a result error: KWP 1089
Short cut to ground or broken wiring, broken
heating element in backflow line
Open load
If this error detected during the heating phase
is a result error: KWP 1089
Broken wiring, broken heating element in
back- flow line
Sensed temperature upstream SCR > physical
high limit
Action
Threshold for error detection is an internal ECU
threshold
Check wiring
Check heating element
Threshold for error detection is an internal ECU
threshold
Check wiring
Check heating element
Threshold for error detection is an internal ECU
threshold
Check wiring
Check heating element
Threshold for error detection is an internal ECU
threshold
Check wiring
Check heating element
Threshold for error detection is an internal ECU
threshold
Check wiring
Check heating element
Check temperature difference across DOC
(Exh_tOxiCatDs-Exh_TOxiCatUs) at higher
engine load => high difference > 100 K?
If yes, the engine emitts too many Hydrocar-
bons => check injectors: is an injector got
stuck?
=> Check EGR Valve
If difference normal the exhaust out of the
engine itself is too hot:
=> Check air path of engine: EGR-Valve,
Intake-Throttle, Turbocharger and Piping each
for leakage and correct function
If that error was set while stand-still operation
the error source could be exothermal
soot burn off in DPF (which should not
happen)
=> Dismount DPF and check it visually
exchange temperature sensor upstream SCR
3121671