Motor field current is too low during | GE IC3645SP4U400N3 guide

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROL

Page 34

	TRACTION	DESCRIPTION OF STATUS
	STATUS CODE
	-49	Motor field current is too low during the
	-49	run mode.
	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

CAUSE OF STATUS INDICATION

This status code will be displayed when the current draw in the motor field is too low during the run mode.

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
	-51	Capacitor volts are low before the line
	-51	contactor closes.
	MEMORY RECALL	CORRECTIVE ACTIONS
	NO	CORRECTIVE ACTIONS
	NO
		SYMPTOM
	Circuits valid	Line contactor does not close when capacitor
	Circuits valid	does not precharge.
	for
	Traction	POSSIBLE CAUSE
	Controller	Defective control fuse.
		• Check control fuse for open circuit. Replace
		fuse, if necessary.

Defective control.

•Replace controller unit.

CAUSE OF STATUS INDICATION

This status code will be displayed during “key on” when the capacitor voltage is less than 85% of battery volts at initial key switch on.

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 34

GE IC3645SP4U400N3 Motor field current is too low during, Capacitor volts are low before the line, Contactor closes

Contents

Installation and Operation Table of Contents 46-52 20-4041-45 57-62 Basic Operation and Features Motor Characteristics Flexible System Application More Features with Fewer ComponentsSolid-State Reversing Slows with the increase of current in the field 2 Current Limit 1.b Creep Speed1.c Control Acceleration 3.c Pedal Position Plug Braking 4.c Proportional Operation for Dual Motor Vehicles 6 Steer Pump Contactor Time Delay4.b Speed Limits 5 Ramp Operation 5a Ramp Start System Protective Override 1 Static Return to Off SRO Diagnostics 1 Systems Diagnostics7 On-Board Coil Drivers & Internal Coil Suppression 2 Accelerator Volts Hold Off 3 Hourmeter Readings 3.a Maintenance Alert & Speed Limit4 Battery Discharge Indication BDI 4.a Internal Resistance Compensation Basic Operation and Features Part Number Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTSArgument 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 2.d. High Power Signals Level HP High-Level Signals Level HMedium-Power Signals Level MP Cable Spacing Guidelines Reconnect plugs Cleaner328A1777G1 General Troubleshooting Instructions Traction No seat switch or deadman switchTraction Control Codes Status Code Reverse directional switch is closed on Description of Status Cause of Status Indication Accelerator depressed with no Start switch fails to closeDirection selected KEY Negative Both the forward and reverse Directional switches are closed atSame time Start switch closed on power up after Initial key switch closure Discharged 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 Transistor over temperature Open thermal protector TP or Armature transistor did not turn off Motor armature offset voltage is tooLow Properly Armature 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 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 Pump SymptomPossible Cause Transistor is over temperature Open thermal protector TP1 or Sensor input is missing No power to pump motorPump Controller motor current Control range Turn off properly Power Transistor Q1 did notPower Transistor Q1 did not turn on With no pump contactor, control Capacitor volts are low after the line Contactor closes Sensor input voltage polarity Controller motor currentCheck 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 Action Accessing Stored Status Codes With GE HandsetRemarks Function Function 10 Field Current for Regen Internal Resistance Compensation Battery VoltsBattery volts Set units Function 16 Stall Trip Point with % ON-TIME Push Function 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 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 % on Summary of Current Limit Adjustments Field Current Function 14 not Applicable Function Current LimitFunction 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 SL3 Function 55 not Applicable Function 53 Mode 2 Speed Limit 2 SL2Function 54 Mode 2 Speed Limit 3 SL3 Function 59 not Applicable Standard Dash Displays Dash DisplaysApplication Connections Start-Up Display Sequence Outline Drawings Setup 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 HoursTens/Ones Reset to Zero Only Stored Status Code #5Reset to Zero Only Stored Status Code #6 Reset to Zero Only HoursThou/Hun None Dash Display Ratio2-1 Reset to Zero Only Stored Status Code #16Reset to Zero Only Dash Display CA-1 Dash Display FWS-1 None