GE IC3645SP4U400N3 Pump Controller motor current, Sensor input is missing, No power to pump motor

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DIAGNOSTIC STATUS CODES

TRANSISTOR PUMP CONTROL

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PUMP	DESCRIPTION OF
STATUS CODE	STATUS
-142	Pump Controller “motor current
-142	sensor” input is missing.
MEMORY RECALL	CORRECTIVE ACTIONS
NO	CORRECTIVE ACTIONS
Circuits valid	SYMPTOM
for	No power to pump motor in

CAUSE OF STATUS INDICATION

This status code is displayed when the voltage at the current sensor is greater than 0.1 volts with no current flowing in the motor circuit.

TROUBLE-SHOOTING DIAGRAM

FU3	KEY SWITCH	TO TRACTION
FU6		TO TRACTION
FU6		P10 - BDI

PY7

Pump	control range.
Pump
Controller	POSSIBLE CAUSE
	Control is defective.
	• Replace controller unit.

LINE FU1

+

-

P1 P2 P3

	POS	A1	FIELD

		POWER	ARMATURE
	CONNECTIONS
	NEG	A2

PY12

P21 P19 P12 PY10

PY11

SPEED LIMIT 3

SPEED LIMIT 2

SPEED LIMIT 1

TO

TRACTION

CARD

	PUMP	DESCRIPTION OF STATUS
	STATUS CODE
	-143	Pump Controller “motor current
	-143	sensor” input is too low.
	MEMORY RECALL	CORRECTIVE ACTIONS
	NO	CORRECTIVE ACTIONS
	Circuits valid	SYMPTOM
	Circuits valid	No power to pump motor in
	for	No power to pump motor in
	for	control range.

CAUSE OF STATUS INDICATION

This status code is displayed when the voltage at the current sensor is greater than 0.1 volts with no current flowing in the motor circuit.

TROUBLE-SHOOTING DIAGRAM

FU3	KEY SWITCH	TO TRACTION
FU6		TO TRACTION
FU6		P10 - BDI

PY7

Pump
Controller	POSSIBLE CAUSE
	Control is defective.
	• Replace controller unit.

LINE FU1

+

-

P1 P2 P3

	POS	A1	FIELD

		POWER	ARMATURE
	CONNECTIONS
	NEG	A2

PY12

P21 P19 P12 PY10

PY11

SPEED LIMIT 3

SPEED LIMIT 2

SPEED LIMIT 1

TO

TRACTION

CARD

January 2000

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Contents Installation and Operation Table of Contents 20-40 41-4546-52 57-62Basic Operation and Features Motor CharacteristicsMore Features with Fewer Components Solid-State ReversingFlexible System Application Slows with the increase of current in the field1.b Creep Speed 1.c Control Acceleration2 Current Limit 3.c Pedal Position Plug Braking6 Steer Pump Contactor Time Delay 4.b Speed Limits4.c Proportional Operation for Dual Motor Vehicles 5 Ramp Operation 5a Ramp StartDiagnostics 1 Systems Diagnostics 7 On-Board Coil Drivers & Internal Coil SuppressionSystem Protective Override 1 Static Return to Off SRO 2 Accelerator Volts Hold Off3.a Maintenance Alert & Speed Limit 4 Battery Discharge Indication BDI3 Hourmeter Readings 4.a Internal Resistance CompensationBasic Operation and Features Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS Part NumberArgument Outline SX-3 and SR-3 Package Size Drawings and INPUTS/OUTPUTS DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS Control SectionConnections to Main Plug 23 PIN and Y Plug 12 PIN PINDiagnostic Status Codes High-Level Signals Level H Medium-Power Signals Level MP2.d. High Power Signals Level HP Cable Spacing GuidelinesCleaner Reconnect plugs328A1777G1 General Troubleshooting Instructions No seat switch or deadman switch Traction Control CodesTraction Status CodeReverse directional switch is closed on Description of Status Cause of Status IndicationStart switch fails to close Accelerator depressed with noDirection selected KEY Negative Directional switches are closed at Both the forward and reverseSame time Start switch closed on power up after Initial key switch closureDischarged 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 Transistor over temperature Open thermal protector TP orMotor armature offset voltage is too LowArmature transistor did not turn off ProperlyThan 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 current exceeds Armature transistor limitVerify connection between the master control P21 Traction Status Code Symptom Temperature TMM Status CodesSteer Plug P5 pump is shorted to positive Plug P8 pump is shorted to positive Corrective Actions TROUBLE-SHOOTING Diagram YES Symptom PumpPossible Cause Transistor is over temperature Open thermal protector TP1 orNo power to pump motor Pump Controller motor currentSensor input is missing Control rangePower Transistor Q1 did not Power Transistor Q1 did not turn onTurn off properly With no pump contactor, controlCapacitor volts are low after the line Contactor closesController motor current Sensor input voltage polarityCheck Battery voltage is less than Voltage at capacitor 1C is less than VoltsTMM7A 3 TMM Pump Control Connections TMM7A Outline DrawingsAdjustable Features START-UP Display SequenceAccessing Stored Status Codes With GE Handset ActionRemarks Function Function 10 Field Current for Regen Battery Volts Battery volts Set unitsInternal Resistance Compensation Function 16 Stall Trip Point with % ON-TIME PushFunction 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 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 % onSummary of Current Limit Adjustments Field CurrentFunction Current Limit Function 14 not ApplicableFunction 16 Speed / Torque Compensation 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 SL3Function 53 Mode 2 Speed Limit 2 SL2 Function 54 Mode 2 Speed Limit 3 SL3Function 55 not Applicable Function 59 not ApplicableDash Displays ApplicationStandard Dash Displays ConnectionsStart-Up Display Sequence Outline DrawingsTurn 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 Stored Status Code #5 Reset to Zero Only Stored Status Code #6Reset to Zero Only HoursTens/Ones Reset to Zero Only HoursThou/HunReset to Zero Only Stored Status Code #16 Reset to Zero Only Dash Display CA-1 Dash Display FWS-1None Dash Display Ratio2-1 None