Device Display Meaning for the LMV5x System Corrective Action
Any # -
A fault occurred in the O2 module in connection with the flue
gas recirculation
See diagnostic code.
01
Fault with
Feedback from
O2 Module
The flue gas temperature sensor PLL52 input X86 is
selected, but no response is registered on the CAN
Check CANbus and main power wiring to the PLL5.
15
Implausible
supply air
temperature value
Temperature of supply air sensor on PLL52 input X87 is
outside of the valid range (0 to 1472 °F)
Check wiring of the ambient air sensor connected to
terminal X87. Check ambient air temperature.
16
Implausible flue
gas temperature
value
Value of flue gas temperature sensor on PLL52 input X87 is
outside of the valid range (0 to 1472 °F)
Check wiring of the flue gas temperature sensor
connected to terminal X86. Check flue gas temperature.
F5 01
Fault with
Feedback from
Load Controller
The Pt1000/Ni1000 on the load controller input X60 is selected,
but no response is registered on the CAN
Check CAN wiring. If fault occurs sporadically, reduce
electrical noise. If fault occurs constantly, replace the
defective unit.
Any # -
A fault occurred in connection with the flue gas recirculation
function
See diagnostic code.
01
Flue gas
recirculation
automatically
deactivated
The flue gas recirculation function was automatically
deactivated
Check the fault history for the error that happened just
before fault F6 for the cause of the automatic
deactivation.
02
Invalid
parameterization
of flue gas
recirculation
operating mode /
flue gas
recirculation
sensor
Invalid parameterization of flue gas recirculation operating
mode / flue gas recirculation sensor in connection with O2
controller / O2 alarm
Set flue gas recirculation operating mode (FGR-Mode )
from TCautoDeact to Temp.comp, or set flue gas
recirculation temperature (FGR-sensor ) to X60
F4 PLL5
F6
LMV5
Fault with Base Unit (LMV5) or Connected Components
Section 7 Page 60 SCC Inc.
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