Motor armature offset voltage is too, Low | GE IC3645SP4U400N3

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROL

	TRACTION	DESCRIPTION OF STATUS
	STATUS CODE
	-43	Motor armature offset voltage is too
	-43	low.
	MEMORY RECALL	CORRECTIVE ACTIONS
	NO	CORRECTIVE ACTIONS
	NO
		SYMPTOM
	Circuits valid	Control will not operate.
	Circuits valid
	for	POSSIBLE CAUSE
	Traction	Defective control.
	Traction	• Replace controller unit.
	Controller

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CAUSE OF STATUS INDICATION

This status code will be displayed when the voltage at the current sensor input is less than 2.4 volts with no current flowing in the motor circuit.

TROUBLE-SHOOTING DIAGRAM

				BRAKE SW.
FU5	P2 KEY SWITCH P1			SEATSW.	STARTSW.	FOR.SW.	REV. SW.
FU7			SP	SEATSW.	STARTSW.	FOR.SW.	REV. SW.
	TO	P5
	TO		L
FU6	ACCESSORIES	P4
FU6	P3	P4
	PY7					P4
	PY12 P18		P17 P1 P2	P6	P3	P4	P5
	PY10		OSCILLATOR CARD		P7	P10 P9 P12 P8
	PY11		LEFT CONTROL
LINE FU1
							STEER
FU2							ANGLE
FU2					ACC POT		POT
					ACC POT

+	FU4								BDI INTERRUPT
+	FU4
	P
		POS	A1	F1	FIELD	ARMATURE	NEG	A2	F2	FIELD	ARMATURE
-			POWER		FIELD	ARMATURE	NEG	A2	F2	FIELD	ARMATURE
-			POWER				POS	A1	F1
	SP	CONNECTIONS					POWER
		LEFT CONTROL					CONNECTIONS
		NEG	A2	F2			RIGHT CONTROL
P	SP

	TRACTION	DESCRIPTION OF STATUS
	STATUS CODE
	-44	Armature transistor did not turn off
	-44	properly.
	MEMORY RECALL	CORRECTIVE ACTIONS
	YES	CORRECTIVE ACTIONS
	YES
		SYMPTOM
	Circuits valid	Line contactor opens and closes, then can only
	Circuits valid	be closed by opening and closing the key switch.
	for	POSSIBLE CAUSE
	Traction	POSSIBLE CAUSE
	Traction	Defective control.
	Controller	• Replace controller unit.

CAUSE OF STATUS INDICATION

This status code will be displayed when, during control operation, the armature transistor fails to turn off. This will result in a PMT condition.

TROUBLE-SHOOTING DIAGRAM

				BRAKE SW.
FU5	P2 KEY SWITCH P1			SEATSW.	STARTSW.	FOR.SW.	REV. SW.
FU7			SP	SEATSW.	STARTSW.	FOR.SW.	REV. SW.
	TO	P5
	TO		L
FU6	ACCESSORIES	P4
FU6	P3	P4
	PY7					P4
	PY12 P18		P17 P1 P2	P6	P3	P4	P5
	PY10		OSCILLATOR CARD		P7	P10 P9 P12 P8
	PY11		LEFT CONTROL
LINE FU1
							STEER
FU2							ANGLE
FU2					ACC POT		POT
					ACC POT

+	FU4								BDI INTERRUPT
+	FU4
	P
		POS	A1	F1	FIELD	ARMATURE	NEG	A2	F2	FIELD	ARMATURE
-			POWER		FIELD	ARMATURE	NEG	A2	F2	FIELD	ARMATURE
-			POWER				POS	A1	F1
	SP	CONNECTIONS					POWER
		LEFT CONTROL					CONNECTIONS
		NEG	A2	F2			RIGHT CONTROL
P	SP

January 2000

Image 32

GE IC3645SP4U400N3 Motor armature offset voltage is too, Low, Armature transistor did not turn off, Properly

Contents

Installation and Operation Table of Contents 20-40 41-4546-52 57-62 Basic Operation and Features Motor Characteristics More Features with Fewer Components Solid-State ReversingFlexible System Application Slows with the increase of current in the field 1.b Creep Speed 1.c Control Acceleration2 Current Limit 3.c Pedal Position Plug Braking 6 Steer Pump Contactor Time Delay 4.b Speed Limits4.c Proportional Operation for Dual Motor Vehicles 5 Ramp Operation 5a Ramp Start Diagnostics 1 Systems Diagnostics 7 On-Board Coil Drivers & Internal Coil SuppressionSystem Protective Override 1 Static Return to Off SRO 2 Accelerator Volts Hold Off 3.a Maintenance Alert & Speed Limit 4 Battery Discharge Indication BDI3 Hourmeter Readings 4.a Internal Resistance Compensation Basic Operation and Features Argument Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTSPart Number Outline SX-3 and SR-3 Package Size Drawings and INPUTS/OUTPUTS DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS Control Section Connections to Main Plug 23 PIN and Y Plug 12 PIN PIN Diagnostic Status Codes High-Level Signals Level H Medium-Power Signals Level MP2.d. High Power Signals Level HP Cable Spacing Guidelines 328A1777G1 CleanerReconnect plugs General Troubleshooting Instructions No seat switch or deadman switch Traction Control CodesTraction Status Code Reverse directional switch is closed on Description of Status Cause of Status Indication Direction selected Start switch fails to closeAccelerator depressed with no KEY Negative Same time Directional switches are closed atBoth the forward and reverse Start switch closed on power up after Initial key switch closure Discharged battery Forward direction Motor field current is high on start upReverse direction Motor field current is too high during Volts DC Power supply is less than 10 voltsRun mode Traction Controller Slave/auxiliary control Transistor over temperature Open thermal protector TP or Motor armature offset voltage is too LowArmature transistor did not turn off Properly Look Ahead test for A2 volts less Than 12% of battery voltsArmature transistor did not turn on Contactor closes Motor field current is too low duringCapacitor volts are low before the line Line driver input P2-17 is less Controller motor current sensorInput too low during running Description Armature current exceeds Armature transistor limit Verify connection between the master control P21 Traction Status Code Symptom Temperature TMM Status Codes Steer Plug P5 pump is shorted to positive Plug P8 pump is shorted to positive Corrective Actions TROUBLE-SHOOTING Diagram YES Possible Cause SymptomPump Transistor is over temperature Open thermal protector TP1 or No power to pump motor Pump Controller motor currentSensor input is missing Control range Power Transistor Q1 did not Power Transistor Q1 did not turn onTurn off properly With no pump contactor, control Capacitor volts are low after the line Contactor closes Check Controller motor currentSensor input voltage polarity Battery voltage is less than Voltage at capacitor 1C is less than Volts TMM7A 3 TMM Pump Control Connections TMM7A Outline Drawings Adjustable Features START-UP Display Sequence Remarks Accessing Stored Status Codes With GE HandsetAction Function Function 10 Field Current for Regen Battery Volts Battery volts Set unitsInternal Resistance Compensation Function 16 Stall Trip Point with % ON-TIME Push Function 26 Base Ratio Function 19 Maintenance Code Tens and Units Hours SETFunction 25 Monitor Function 28 Stored Status Code Count Pointer Push Function 49 Mode 1 Field Weakening Start PushFunction 51 Mode 1 MAX Armature % on Function 52 Mode 2 Armature Controlled Acceleration Function 55 Mode 2 MAX Armature % onFunction 57 Mode 3 Field Weakening Start Function 59 Mode 3 MAX Armature % on Summary of Current Limit Adjustments Field Current Function 16 Speed / Torque Compensation Function Current LimitFunction 14 not Applicable Speed / Torque Compensation Table Voltage Setting Function 48 Mode 1 Controlled Acceleration PushFunction 49 Mode 1 Speed Limit 2 SL2 Push Function 50 Mode 1 Speed Limit 3 SL3 Function 53 Mode 2 Speed Limit 2 SL2 Function 54 Mode 2 Speed Limit 3 SL3Function 55 not Applicable Function 59 not Applicable Dash Displays ApplicationStandard Dash Displays Connections Start-Up Display Sequence Outline Drawings Operation Turn Angle Potentiometer InstallationSetup Degree Potentiometer for Steer Angle Input Degree Potentiometer Left Right Restrictions Function RS-232 Memory MAP TablesTraction Control Reset to Zero Only Stored Status Code #5 Reset to Zero Only Stored Status Code #6Reset to Zero Only HoursTens/Ones Reset to Zero Only HoursThou/Hun Reset to Zero Only Stored Status Code #16 Reset to Zero Only Dash Display CA-1 Dash Display FWS-1None Dash Display Ratio2-1 None