Doosan D50S-5 Operation & Maintenance Manual page 100

66 66 Pedal2SensorInputHi Pedal2SensorInputHi
APP2 signal disconnected, open APP2 signal disconnected, open
circuit or sensor malfunction circuit or sensor malfunction
(Expected (Expected
connector is unplugged connector is unplugged
CODES: 61 & 66) CODES: 61 & 66)
67 67 Pedal2SensorRangeLo Pedal2SensorRangeLo
APP2 potentiometer malfunction. APP2 potentiometer malfunction.
Improper APP2 reading may be Improper APP2 reading may be
due to dirt or oxidation on the due to dirt or oxidation on the
sensor traces. sensor traces.
68 68 Pedal2SensorRangeHi Pedal2SensorRangeHi
APP2 potentiometer malfunction. APP2 potentiometer malfunction.
Improper APP2 reading may be Improper APP2 reading may be
due to dirt or oxidation on the due to dirt or oxidation on the
sensor traces. sensor traces.
69 69 Pedal1ToPedal2Difference Pedal1ToPedal2Difference
Measured APP2 pedal position Measured APP2 pedal position
signal is different than APP1 signal is different than APP1
signal signal
71 71 AFRTrimValveOutput AFRTrimValveOutput
FTV modulation driver signal fault FTV modulation driver signal fault
(G643E only) (G643E only)
Operation Section Operation Section
Table a. MI-04 Diagnostic Fault Codes (Flash Codes) Table a. MI-04 Diagnostic Fault Codes (Flash Codes)
DFC DFC
72 72 AFRTrimValveLowerDC AFRTrimValveLowerDC
FTV duty cycle at lower (lean) FTV duty cycle at lower (lean)
limit limit
(G643E only) (G643E only)
faults faults when when APP APP
Probable Fault Probable Fault
MIN power MIN power Limit Limit
Stored Fault Code Stored Fault Code
(MIL Only) (MIL Only)
Stored Fault Code Stored Fault Code
(MIL Only) (MIL Only)
MIN power MIN power Limit Limit
Stored Fault Code Stored Fault Code
(MIL, Disable Adaptive (MIL, Disable Adaptive
learns) learns)
99 99
Action Action
Stored Fault Code Stored Fault Code
(MIL, Disable Adaptive (MIL, Disable Adaptive
learns) learns)
Check foot Check foot pedal pedal connector connector
Check foot pedal connector Check foot pedal connector
Check foot pedal connector Check foot pedal connector
Check foot Check foot pedal pedal connector connector
Check FTV for an open wire or FTV Check FTV for an open wire or FTV
connector being disconnected connector being disconnected
Corrective Action, Corrective Action, First First Check
Engine measured Air/Fuel ratio at Engine measured Air/Fuel ratio at
the O2 sensor is excessively lean. the O2 sensor is excessively lean.
If LP fuel in LP tank is not enough, If LP fuel in LP tank is not enough,
this fault code can be set. If LP tank this fault code can be set. If LP tank
Check