Doosan D50S-5 Operation & Maintenance Manual page 99

57 57 Engine OverSpeed Engine
Engine RPM increased beyond Engine RPM increased beyond
maximum RPM set point maximum RPM set point
61 61 Pedal1SensorInputLo Pedal1SensorInputLo
APP1 signal disconnected, open APP1 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)
62 62 Pedal1SensorInputHi Pedal1SensorInputHi
APP1 sensor failure or shorted APP1 sensor failure or shorted
circuit circuit
63 63 Pedal1SensorRangeLo Pedal1SensorRangeLo
APP1 potentiometer malfunction. APP1 potentiometer malfunction.
Improper APP1 reading may be Improper APP1 reading may be
due to dirt or oxidation on the due to dirt or oxidation on the
sensor traces. sensor traces.
64 64 Pedal1SensorRangeHi Pedal1SensorRangeHi
APP1 potentiometer malfunction. APP1 potentiometer malfunction.
Improper APP1 reading may be Improper APP1 reading may be
due to dirt or oxidation on the due to dirt or oxidation on the
sensor traces sensor traces
Table a. MI-04 Diagnostic Fault Codes (Flash Codes) Table a. MI-04 Diagnostic Fault Codes (Flash Codes)
DFC DFC
65 65 Pedal2SensorInputLo Pedal2SensorInputLo
APP2 sensor failure or shorted APP2 sensor failure or shorted
circuit circuit
OverSpeed
faults faults when when APP APP
Probable Fault Probable Fault
Engine Shutdown Engine Shutdown
MIN Power MIN Power Limit Limit
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)
98 98
Action Action
MIN power MIN power Limit Limit
SECM with a multimeter SECM with a multimeter
Verify transducer power at ETC with Verify transducer power at ETC with
a multimeter a multimeter
Verify transducer power to the foot Verify transducer power to the foot
pedal with a multimeter pedal with a multimeter
Usually associated with additional Usually associated with additional
ETC faults ETC faults
Check for ETC Sticking or Check for ETC Sticking or
 
other ETC faults other ETC faults
Verify if the lift truck was Verify if the lift truck was
 
motore motored down a d down a steep grade steep grade
Check Check foot foot pedal pedal connector connector
Check Check foot foot pedal pedal connector connector
Check foot pedal connector Check foot pedal connector
Check foot pedal connector Check foot pedal connector
Operation Section Operation Section
Corrective Corrective Action, Action, First First Check
Check foot Check foot pedal pedal connector connector
Check