Open thermal protector TP or | GE IC3645SR4U404N2, IC3645SP4U400N3

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROL

	-41	Open thermal protector (TP) or
	-41	transistor over temperature.
	MEMORY RECALL	CORRECTIVE ACTIONS
	YES	CORRECTIVE ACTIONS
	YES
	Circuits valid	SYMPTOM
	for	Reduced or no power to traction motor in control
	for	range.
	Traction	POSSIBLE CAUSE
	Controller	POSSIBLE CAUSE
	Controller	Control is in thermal cut-back.
		• Allow control to cool, status code should
		disappear.

Defective control.

•Replace controller unit.

Page 31

This status code will be displayed when the voltage at the thermal protector is too high.

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	CAUSE OF STATUS INDICATION
	STATUS CODE

	-42	Motor armature offset voltage is too	This status code will be displayed when the voltage at
	-42	high.	the current sensor input is greater than 2.6 volts with
			no current flowing in the motor circuit.
	MEMORY RECALL	CORRECTIVE ACTIONS	TROUBLE-SHOOTING DIAGRAM
	NO	CORRECTIVE ACTIONS	TROUBLE-SHOOTING DIAGRAM
	NO

Circuits valid for Traction

Controller

SYMPTOM

Control will not operate.

POSSIBLE CAUSE Defective control.

•Replace controller unit.

				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 31

GE IC3645SR4U404N2, IC3645SP4U400N3 operation manual Open thermal protector TP or, Transistor over temperature

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 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 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 Reconnect plugs Cleaner328A1777G1 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 Accelerator 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 after 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 Open thermal protector TP or Transistor over temperature Properly Motor armature offset voltage is tooLow Armature transistor did not turn off 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 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 Pump SymptomPossible 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 Sensor input voltage polarity Controller motor currentCheck 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 Action 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 Compensation 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 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 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 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 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 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