57Service Manual – CS7010™ 04 - Control System
A4 Drive Controller
Fault
Code
Description Level Condition
4-224 Throttle Signal Critical Throttle pot value is out-of-range. Possible short of J5-20 to
eitherV+orV-.
4-227 DriveEnableOpen Critical Drive enable signal from steering controller is open
System Indicator 5, Steering Controller Error Codes
A5 Steering Controller
Fault
Code
Description Level Condition
5-001 A5 Steer Ctrl Timeout Critical Main controller is not receiving steering controller pdo messages
5-100 Motor Short Critical
Motorphasewiringshortcircuitorshorttoground
5-101 DCBusLow Non-Critical DCbusvoltageisbelowpredenedlevel(<24V).(Determined
bysoftware)
5-102 DC Bus High Non-Critical DCbusvoltageisabovepredenedlevel(>63V)(Determined
bysoftware)
5-103 HWOvervolt Critical DCbusvoltageisaboveleveldenedbyhardwaredesign
(>67V)
5-104 Precharge Fail Critical
Capacitorbankchargingerror-DCbusvoltageisbelow
predenedlevel(<31.2V)forpredenedtime(10sec).Possible
faultinKSIcircuit.
5-105 MotorOverTemp Critical Motor temperature is above 155C
5-106
CtrlOverTemp Critical Controllerpowerstagetemperatureisabove110C
5-107 TFD Fault Critical Invalidsteeringsensordata:
• Encoderstuckhigh(opencircuit)
• Encoderstucklow(shorttoground)
• Channel A shorted to Channel B
• Frequency of A and B channels don’t match
• Excessive frequency (noise)
5-108 CAN Fault Critical CAN bus communication error, typically a timeout
5-109 Current Sensor Critical
Currentsensoroffsetistoohigh.Themotorisshowingcurrent
consumptionwhennotoperating.Likelyasteeringcontroller
failure
5-110 Application Fault Critical
Power-onsteeringhomeroutinefailed.
• Diagnoseallothererrorsrst.
• Checkthefunctionofthelimitswitches:
− Makesureneitherarestuckonwhennotinthepresenceof
theag(possiblemetaldebris).
− Makesuretheleftsensordetectstheagwhenhomed.
− Theswitchesaremechanicalreedswitches,andcanbe
diagnosed using an ohm meter.
5-111 High-Side Fault Critical
HardwaredetectedfailureoftheK5relaycircuit:
• Checkthecontrolcoilcircuitforshorts,shortstoB+orB-,or
open circuit.
• Checktheoutputofthecontactor.NopowerpresentatJ6-28
whencontactorcommandedtoclose.