GE IC3645SR4U404N2, IC3645SP4U400N3 Open thermal protector TP1 or, Transistor is over temperature

Page 47

DIAGNOSTIC STATUS CODES

TRANSISTOR PUMP CONTROLPage 47

PUMP	DESCRIPTION OF STATUS	CAUSE OF STATUS INDICATION
STATUS CODE
-128	Armature current is too high during the	Status code displayed when the current in the
-128	lift mode.	armature circuit is sustained above 300A for 70 sec.
MEMORY RECALL	CORRECTIVE ACTIONS	TROUBLE-SHOOTING DIAGRAM
YES	CORRECTIVE ACTIONS	TROUBLE-SHOOTING DIAGRAM
Circuits valid	SYMPTOM	FU3	KEY SWITCH
Circuits valid	Control will not operate.
for	POSSIBLE CAUSE	FU2
Pump	POSSIBLE CAUSE
Controller	Continued operation of vehicle in high
Controller	motor current condition.
	• Operate vehicle at lower motor current	LINE FU1
	condition for 70 seconds.
			P1	P2
		+		FIELD
		-	POS A1	FIELD

POWER CONNECTIONS

NEG A2

ARMATURE

PUMP	DESCRIPTION OF
STATUS CODE	STATUS
-141	Open thermal protector (TP1) or
-141	transistor is over temperature.
MEMORY RECALL	CORRECTIVE ACTIONS
NO	CORRECTIVE ACTIONS

CAUSE OF STATUS INDICATION

This status code is displayed when the voltage at the thermal protector is greater than 0.8 volts.

TROUBLE-SHOOTING DIAGRAM

Circuits valid

for

SYMPTOM

Reduced or no power to pump motor in control range.

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

PY7

Pump

Controller

POSSIBLE CAUSE

Control is in thermal cut-back.

•Allow control to cool, status code should disappear.

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

Image 47

Contents Installation and Operation Table of Contents 57-62 20-4041-45 46-52Motor Characteristics Basic Operation and FeaturesSlows with the increase of current in the field More Features with Fewer ComponentsSolid-State Reversing Flexible System Application3.c Pedal Position Plug Braking 1.b Creep Speed1.c Control Acceleration 2 Current Limit5 Ramp Operation 5a Ramp Start 6 Steer Pump Contactor Time Delay4.b Speed Limits 4.c Proportional Operation for Dual Motor Vehicles2 Accelerator Volts Hold Off Diagnostics 1 Systems Diagnostics7 On-Board Coil Drivers & Internal Coil Suppression System Protective Override 1 Static Return to Off SRO4.a Internal Resistance Compensation 3.a Maintenance Alert & Speed Limit4 Battery Discharge Indication BDI 3 Hourmeter ReadingsBasic Operation and Features Argument Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTSPart Number Outline SX-3 and SR-3 Package Size Drawings and INPUTS/OUTPUTS Section DRAWINGS, Elementary Drawings and INPUTS/OUTPUTS ControlPIN Connections to Main Plug 23 PIN and Y Plug 12 PINDiagnostic Status Codes Cable Spacing Guidelines High-Level Signals Level HMedium-Power Signals Level MP 2.d. High Power Signals Level HP328A1777G1 CleanerReconnect plugs General Troubleshooting Instructions Status Code No seat switch or deadman switchTraction Control Codes TractionDescription of Status Cause of Status Indication Reverse directional switch is closed onDirection selected Start switch fails to closeAccelerator depressed with no KEY Negative Same time Directional switches are closed atBoth the forward and reverse Initial key switch closure Start switch closed on power up afterDischarged 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 Open thermal protector TP or Transistor over temperatureProperly Motor armature offset voltage is tooLow Armature transistor did not turn offLook 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 transistor limit Armature current exceedsVerify connection between the master control P21 Traction Status Code Symptom TMM Status Codes TemperatureSteer Plug P5 pump is shorted to positive Plug P8 pump is shorted to positive Corrective Actions TROUBLE-SHOOTING Diagram YES Possible Cause SymptomPump Open thermal protector TP1 or Transistor is over temperatureControl range No power to pump motorPump Controller motor current Sensor input is missingWith no pump contactor, control Power Transistor Q1 did notPower Transistor Q1 did not turn on Turn off properlyContactor closes Capacitor volts are low after the lineCheck Controller motor currentSensor input voltage polarity Voltage at capacitor 1C is less than Volts Battery voltage is less thanTMM7A TMM7A Outline Drawings 3 TMM Pump Control ConnectionsSTART-UP Display Sequence Adjustable FeaturesRemarks Accessing Stored Status Codes With GE HandsetAction Function Function 10 Field Current for Regen Function 16 Stall Trip Point with % ON-TIME Push Battery VoltsBattery volts Set units Internal Resistance CompensationFunction 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 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 StartField Current Summary of Current Limit AdjustmentsFunction 16 Speed / Torque Compensation Function Current LimitFunction 14 not Applicable 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 PushFunction 59 not Applicable Function 53 Mode 2 Speed Limit 2 SL2Function 54 Mode 2 Speed Limit 3 SL3 Function 55 not ApplicableConnections Dash DisplaysApplication Standard Dash DisplaysOutline Drawings Start-Up Display SequenceOperation 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 HoursThou/Hun Reset to Zero Only Stored Status Code #5Reset to Zero Only Stored Status Code #6 Reset to Zero Only HoursTens/OnesNone Reset to Zero Only Stored Status Code #16Reset to Zero Only Dash Display CA-1 Dash Display FWS-1 None Dash Display Ratio2-1