GE IC3645SP4U400N3, IC3645SR4U404N2 operation manual Steer

Page 42

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROLPage 42

TRACTION

DESCRIPTION OF STATUS

CAUSE OF STATUS INDICATION

STATUS CODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-93

Steering pump motor brush wear

This status code will be displayed when the voltage at

indicator has detected worn brush.

the respective terminal of the TMM or Pump Logic

 

 

Card is at battery volts.

 

 

 

MEMORY RECALL

CORRECTIVE ACTIONS

TROUBLE-SHOOTING DIAGRAM

YES

 

 

 

 

 

 

 

 

SYMPTOM

 

 

 

 

 

 

Circuits valid

Status code flashes “on and off”.

 

 

 

 

 

 

 

 

 

 

 

 

 

for

POSSIBLE CAUSE

 

 

 

 

 

 

Steer

User defined status code is displayed by motor

 

 

 

 

 

 

brush sensor closure to battery positive.

 

 

 

 

 

 

Pump

Plug P3 (pump) is shorted to positive.

 

 

 

 

 

 

Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

Brush Wear

Defective input switch (shorted).

 

 

 

 

 

 

Indicator

Defective TMM card.

 

P3

 

CONTROL IS USED

 

 

 

 

 

 

WHEN SR Series PUMP

 

 

Defective pump card.

 

 

 

 

 

 

 

 

 

 

USER SW

 

 

 

 

 

 

 

 

 

 

 

POS

 

 

 

 

 

 

 

 

 

 

 

 

SC93

 

 

 

 

 

 

TRACTION

DESCRIPTION OF STATUS

CAUSE OF STATUS INDICATION

STATUS CODE

 

 

 

 

 

 

 

 

 

 

-93

Steering pump motor brush wear

This status code will be displayed when the voltage at

indicator has detected worn brush.

the respective terminal of the TMM or Pump Logic

 

 

Card is at battery volts.

 

 

 

MEMORY RECALL

CORRECTIVE ACTIONS

TROUBLE-SHOOTING DIAGRAM

YES

 

 

 

 

 

 

 

 

SYMPTOM

 

 

 

 

 

 

Circuits valid

Status code flashes “on and off”.

 

 

 

 

 

 

 

 

 

 

 

 

 

for

POSSIBLE CAUSE

 

 

 

 

 

 

Steering

User defined status code is displayed by motor

 

 

 

 

 

 

brush sensor closure to battery positive.

 

 

 

 

 

 

Pump

Plug P4 (pump) is shorted to positive.

 

 

 

 

 

 

Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

Brush Wear

Defective input switch (shorted).

 

 

 

 

 

 

Indicator

Defective TMM card.

 

P4

 

CONTROL IS USED

 

 

 

 

 

 

WHEN SR Series PUMP

 

 

Defective pump card.

 

 

 

 

 

 

 

 

 

 

USER SW

 

 

 

 

 

 

 

 

 

 

 

POS

 

 

 

 

 

 

 

 

 

 

 

 

SC93A

 

 

 

 

 

 

 

 

January 2000

Page 41 Page 43
Image 42
Page 41 Page 43
Contents Installation and Operation Table of Contents 46-52 20-4041-45 57-62Basic Operation and Features Motor CharacteristicsFlexible System Application More Features with Fewer ComponentsSolid-State Reversing Slows with the increase of current in the field2 Current Limit 1.b Creep Speed1.c Control Acceleration 3.c Pedal Position Plug Braking4.c Proportional Operation for Dual Motor Vehicles 6 Steer Pump Contactor Time Delay4.b Speed Limits 5 Ramp Operation 5a Ramp StartSystem Protective Override 1 Static Return to Off SRO Diagnostics 1 Systems Diagnostics7 On-Board Coil Drivers & Internal Coil Suppression 2 Accelerator Volts Hold Off3 Hourmeter Readings 3.a Maintenance Alert & Speed Limit4 Battery Discharge Indication BDI 4.a Internal Resistance CompensationBasic Operation and Features Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS Part NumberArgument Outline SX-3 and SR-3 Package Size Drawings and INPUTS/OUTPUTS DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS Control SectionConnections to Main Plug 23 PIN and Y Plug 12 PIN PINDiagnostic Status Codes 2.d. High Power Signals Level HP High-Level Signals Level HMedium-Power Signals Level MP Cable Spacing GuidelinesCleaner Reconnect plugs328A1777G1 General Troubleshooting Instructions Traction No seat switch or deadman switchTraction Control Codes Status CodeReverse directional switch is closed on Description of Status Cause of Status IndicationStart switch fails to close Accelerator depressed with noDirection selected KEY Negative Directional switches are closed at Both the forward and reverseSame time Start switch closed on power up after Initial key switch closureDischarged battery Motor field current is high on start up Reverse directionForward direction Volts DC Power supply is less than 10 volts Run modeMotor field current is too high during Traction Controller Slave/auxiliary control Transistor over temperature Open thermal protector TP orArmature transistor did not turn off Motor armature offset voltage is tooLow ProperlyThan 12% of battery volts Armature transistor did not turn onLook Ahead test for A2 volts less Motor field current is too low during Capacitor volts are low before the lineContactor closes Controller motor current sensor Input too low during runningLine driver input P2-17 is less Description Armature current exceeds Armature transistor limitVerify connection between the master control P21 Traction Status Code Symptom Temperature TMM Status CodesSteer Plug P5 pump is shorted to positive Plug P8 pump is shorted to positive Corrective Actions TROUBLE-SHOOTING Diagram YES Symptom PumpPossible Cause Transistor is over temperature Open thermal protector TP1 orSensor input is missing No power to pump motorPump Controller motor current Control rangeTurn off properly Power Transistor Q1 did notPower Transistor Q1 did not turn on With no pump contactor, controlCapacitor volts are low after the line Contactor closesController motor current Sensor input voltage polarityCheck Battery voltage is less than Voltage at capacitor 1C is less than VoltsTMM7A 3 TMM Pump Control Connections TMM7A Outline DrawingsAdjustable Features START-UP Display SequenceAccessing Stored Status Codes With GE Handset ActionRemarks Function Function 10 Field Current for Regen Internal Resistance Compensation Battery VoltsBattery volts Set units Function 16 Stall Trip Point with % ON-TIME PushFunction 19 Maintenance Code Tens and Units Hours SET Function 25 MonitorFunction 26 Base Ratio Function 49 Mode 1 Field Weakening Start Push Function 51 Mode 1 MAX Armature % onFunction 28 Stored Status Code Count Pointer Push Function 57 Mode 3 Field Weakening Start Function 52 Mode 2 Armature Controlled AccelerationFunction 55 Mode 2 MAX Armature % on Function 59 Mode 3 MAX Armature % onSummary of Current Limit Adjustments Field CurrentFunction Current Limit Function 14 not ApplicableFunction 16 Speed / Torque Compensation Function 49 Mode 1 Speed Limit 2 SL2 Push Speed / Torque Compensation Table Voltage SettingFunction 48 Mode 1 Controlled Acceleration Push Function 50 Mode 1 Speed Limit 3 SL3Function 55 not Applicable Function 53 Mode 2 Speed Limit 2 SL2Function 54 Mode 2 Speed Limit 3 SL3 Function 59 not ApplicableStandard Dash Displays Dash DisplaysApplication ConnectionsStart-Up Display Sequence Outline DrawingsTurn Angle Potentiometer Installation SetupOperation Degree Potentiometer for Steer Angle Input Degree Potentiometer Left Right RS-232 Memory MAP Tables Traction ControlRestrictions Function Reset to Zero Only HoursTens/Ones Reset to Zero Only Stored Status Code #5Reset to Zero Only Stored Status Code #6 Reset to Zero Only HoursThou/HunNone Dash Display Ratio2-1 Reset to Zero Only Stored Status Code #16Reset to Zero Only Dash Display CA-1 Dash Display FWS-1 None
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