Motor field current is high on start up | GE IC3645SR4U404N2

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROL

Page 27

	TRACTION	DESCRIPTION OF STATUS
	STATUS CODE
	-23	Motor field current is high on start up in
	-23	the reverse direction.
	MEMORY RECALL	CORRECTIVE ACTIONS
	NO	CORRECTIVE ACTIONS
	NO
	Circuits valid	SYMPTOM
	for	Control will not operate.
	for
	Traction	POSSIBLE CAUSE
	Controller	Defective control.
	Controller	• Replace controller unit.

CAUSE OF STATUS INDICATION

This status code will be displayed when the current draw in the motor field is too high at start up in the reverse direction.

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
	-24	Motor field current is high on start up in
	-24	the forward direction.
	MEMORY RECALL	CORRECTIVE ACTIONS
	NO	CORRECTIVE ACTIONS
	NO
	Circuits valid	SYMPTOM
	for	Control will not operate.
	for
	Traction	POSSIBLE CAUSE
	Controller	Defective Control.
	Controller	• Replace controller unit.

CAUSE OF STATUS INDICATION

This status code will be displayed when the current draw in the motor field is too high at start up in the forward direction.

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 27

GE IC3645SR4U404N2, IC3645SP4U400N3 Motor field current is high on start up, Reverse direction, Forward direction

Contents

Installation and Operation Table of Contents 57-62 20-4041-45 46-52 Motor Characteristics Basic Operation and Features Slows with the increase of current in the field More Features with Fewer ComponentsSolid-State Reversing Flexible System Application 3.c Pedal Position Plug Braking 1.b Creep Speed1.c Control Acceleration 2 Current Limit 5 Ramp Operation 5a Ramp Start 6 Steer Pump Contactor Time Delay4.b Speed Limits 4.c Proportional Operation for Dual Motor Vehicles 2 Accelerator Volts Hold Off Diagnostics 1 Systems Diagnostics7 On-Board Coil Drivers & Internal Coil Suppression System Protective Override 1 Static Return to Off SRO 4.a Internal Resistance Compensation 3.a Maintenance Alert & Speed Limit4 Battery Discharge Indication BDI 3 Hourmeter Readings Basic Operation and Features Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS Part NumberArgument Outline SX-3 and SR-3 Package Size Drawings and INPUTS/OUTPUTS Section DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS Control PIN Connections to Main Plug 23 PIN and Y Plug 12 PIN Diagnostic Status Codes Cable Spacing Guidelines High-Level Signals Level HMedium-Power Signals Level MP 2.d. High Power Signals Level HP Cleaner Reconnect plugs328A1777G1 General Troubleshooting Instructions Status Code No seat switch or deadman switchTraction Control Codes Traction Description of Status Cause of Status Indication Reverse directional switch is closed on Start switch fails to close Accelerator depressed with noDirection selected KEY Negative Directional switches are closed at Both the forward and reverseSame time Initial key switch closure Start switch closed on power up after Discharged 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 Open thermal protector TP or Transistor over temperature Properly Motor armature offset voltage is tooLow Armature transistor did not turn off Than 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 transistor limit Armature current exceeds Verify connection between the master control P21 Traction Status Code Symptom TMM Status Codes Temperature Steer Plug P5 pump is shorted to positive Plug P8 pump is shorted to positive Corrective Actions TROUBLE-SHOOTING Diagram YES Symptom PumpPossible Cause Open thermal protector TP1 or Transistor is over temperature Control range No power to pump motorPump Controller motor current Sensor input is missing With no pump contactor, control Power Transistor Q1 did notPower Transistor Q1 did not turn on Turn off properly Contactor closes Capacitor volts are low after the line Controller motor current Sensor input voltage polarityCheck Voltage at capacitor 1C is less than Volts Battery voltage is less than TMM7A TMM7A Outline Drawings 3 TMM Pump Control Connections START-UP Display Sequence Adjustable Features Accessing Stored Status Codes With GE Handset ActionRemarks Function Function 10 Field Current for Regen Function 16 Stall Trip Point with % ON-TIME Push Battery VoltsBattery volts Set units Internal Resistance Compensation Function 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 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 Start Field Current Summary of Current Limit Adjustments Function Current Limit Function 14 not ApplicableFunction 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 Push Function 59 not Applicable Function 53 Mode 2 Speed Limit 2 SL2Function 54 Mode 2 Speed Limit 3 SL3 Function 55 not Applicable Connections Dash DisplaysApplication Standard Dash Displays Outline Drawings Start-Up Display Sequence Turn 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 HoursThou/Hun Reset to Zero Only Stored Status Code #5Reset to Zero Only Stored Status Code #6 Reset to Zero Only HoursTens/Ones None Reset to Zero Only Stored Status Code #16Reset to Zero Only Dash Display CA-1 Dash Display FWS-1 None Dash Display Ratio2-1