GE IC3645SR4U404N2, IC3645SP4U400N3 operation manual Plug P5 pump is shorted to positive

Page 43

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROLPage 43

TRACTION	DESCRIPTION OF STATUS				CAUSE OF STATUS INDICATION
STATUS CODE

-94	Traction motor brush wear indicator	This status code will be displayed when the voltage at
-94	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	CORRECTIVE ACTIONS				TROUBLE-SHOOTING DIAGRAM
YES
	SYMPTOM
Circuits valid	Status code flashes “on and off”.
Circuits valid
for	POSSIBLE CAUSE
Traction	User defined status code is displayed by motor
Traction	brush sensor closure to battery positive.
Motor	Plug P5 (pump) is shorted to positive.
Brush Wear	Plug P5 (pump) is shorted to positive.
Brush Wear			P5		WHEN SR Series PUMP
Indicator	Defective input switch (shorted).				WHEN SR Series PUMP
Indicator	Defective input switch (shorted).					CONTROL IS USED
	Defective TMM card.
	Defective TMM card.
	Defective pump card.
					USER SW
						POS
						POS
							SC94


TRACTION	DESCRIPTION OF STATUS				CAUSE OF STATUS INDICATION
STATUS CODE

-94	Traction motor brush wear indicator	This status code will be displayed when the voltage at
-94	had detected worn brush.	the respective terminal of the TMM or Pump Logic
		Card is at zero volts.
MEMORY RECALL	CORRECTIVE ACTIONS				TROUBLE-SHOOTING DIAGRAM
YES	CORRECTIVE ACTIONS				TROUBLE-SHOOTING DIAGRAM
YES
	SYMPTOM
Circuits valid	Status code flashes “on and off”.
Circuits valid
for	POSSIBLE CAUSE
Traction	User defined status code is displayed by motor
Traction	brush sensor closure to battery positive.
Motor	.
Brush Wear	Plug P6 (pump) is shorted to positive.
Brush Wear	Defective input switch (shorted).		P6		WHEN SR Series PUMP
					WHEN SR Series PUMP
						CONTROL IS USED
						CONTROL IS USED
	Defective TMM card.
	Defective TMM card.

Defective pump card.

USER SW

POS

SC94A

January 2000

Image 43

Contents Installation and Operation Table of Contents 57-62 20-4041-45 46-52Motor Characteristics Basic Operation and FeaturesSlows with the increase of current in the field More Features with Fewer ComponentsSolid-State Reversing Flexible System Application3.c Pedal Position Plug Braking 1.b Creep Speed1.c Control Acceleration 2 Current Limit5 Ramp Operation 5a Ramp Start 6 Steer Pump Contactor Time Delay4.b Speed Limits 4.c Proportional Operation for Dual Motor Vehicles2 Accelerator Volts Hold Off Diagnostics 1 Systems Diagnostics7 On-Board Coil Drivers & Internal Coil Suppression System Protective Override 1 Static Return to Off SRO4.a Internal Resistance Compensation 3.a Maintenance Alert & Speed Limit4 Battery Discharge Indication BDI 3 Hourmeter ReadingsBasic Operation and Features Part Number Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTSArgument Outline SX-3 and SR-3 Package Size Drawings and INPUTS/OUTPUTS Section DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS ControlPIN Connections to Main Plug 23 PIN and Y Plug 12 PINDiagnostic Status Codes Cable Spacing Guidelines High-Level Signals Level HMedium-Power Signals Level MP 2.d. High Power Signals Level HPReconnect plugs Cleaner328A1777G1 General Troubleshooting Instructions Status Code No seat switch or deadman switchTraction Control Codes TractionDescription of Status Cause of Status Indication Reverse directional switch is closed onAccelerator depressed with no Start switch fails to closeDirection selected KEY Negative Both the forward and reverse Directional switches are closed atSame time Initial key switch closure Start switch closed on power up afterDischarged battery Reverse direction Motor field current is high on start upForward direction Run mode Volts DC Power supply is less than 10 voltsMotor field current is too high during Traction Controller Slave/auxiliary control Open thermal protector TP or Transistor over temperatureProperly Motor armature offset voltage is tooLow Armature transistor did not turn offArmature transistor did not turn on Than 12% of battery voltsLook Ahead test for A2 volts less Capacitor volts are low before the line Motor field current is too low duringContactor closes Input too low during running Controller motor current sensorLine driver input P2-17 is less Description Armature transistor limit Armature current exceedsVerify connection between the master control P21 Traction Status Code Symptom TMM Status Codes TemperatureSteer Plug P5 pump is shorted to positive Plug P8 pump is shorted to positive Corrective Actions TROUBLE-SHOOTING Diagram YES Pump SymptomPossible Cause Open thermal protector TP1 or Transistor is over temperatureControl range No power to pump motorPump Controller motor current Sensor input is missingWith no pump contactor, control Power Transistor Q1 did notPower Transistor Q1 did not turn on Turn off properlyContactor closes Capacitor volts are low after the lineSensor input voltage polarity Controller motor currentCheck Voltage at capacitor 1C is less than Volts Battery voltage is less thanTMM7A TMM7A Outline Drawings 3 TMM Pump Control ConnectionsSTART-UP Display Sequence Adjustable FeaturesAction Accessing Stored Status Codes With GE HandsetRemarks Function Function 10 Field Current for Regen Function 16 Stall Trip Point with % ON-TIME Push Battery VoltsBattery volts Set units Internal Resistance CompensationFunction 25 Monitor Function 19 Maintenance Code Tens and Units Hours SETFunction 26 Base Ratio Function 51 Mode 1 MAX Armature % on Function 49 Mode 1 Field Weakening Start PushFunction 28 Stored Status Code Count Pointer Push Function 59 Mode 3 MAX Armature % on Function 52 Mode 2 Armature Controlled AccelerationFunction 55 Mode 2 MAX Armature % on Function 57 Mode 3 Field Weakening StartField Current Summary of Current Limit AdjustmentsFunction 14 not Applicable Function Current LimitFunction 16 Speed / Torque Compensation Function 50 Mode 1 Speed Limit 3 SL3 Speed / Torque Compensation Table Voltage SettingFunction 48 Mode 1 Controlled Acceleration Push Function 49 Mode 1 Speed Limit 2 SL2 PushFunction 59 not Applicable Function 53 Mode 2 Speed Limit 2 SL2Function 54 Mode 2 Speed Limit 3 SL3 Function 55 not ApplicableConnections Dash DisplaysApplication Standard Dash DisplaysOutline Drawings Start-Up Display SequenceSetup Turn Angle Potentiometer InstallationOperation Degree Potentiometer for Steer Angle Input Degree Potentiometer Left Right Traction Control RS-232 Memory MAP TablesRestrictions Function Reset to Zero Only HoursThou/Hun Reset to Zero Only Stored Status Code #5Reset to Zero Only Stored Status Code #6 Reset to Zero Only HoursTens/OnesNone Reset to Zero Only Stored Status Code #16Reset to Zero Only Dash Display CA-1 Dash Display FWS-1 None Dash Display Ratio2-1