GE IC3645SP4U400N3, IC3645SR4U404N2 Capacitor volts are low after the line, Contactor closes

Page 50

DIAGNOSTIC STATUS CODES

TRANSISTOR PUMP CONTROLPage 50

PUMP

DESCRIPTION OF STATUS

CAUSE OF STATUS INDICATION

STATUS CODE

 

 

 

 

 

 

 

-146

“Look Ahead” test for T2 volts

This status code will be displayed when the voltage at T2 is

less than 12% of battery volts.

less than 12% of battery volts.

 

 

MEMORY RECALL

CORRECTIVE ACTIONS

TROUBLE-SHOOTING DIAGRAM

 

YES

 

Circuits valid

SYMPTOM

FU3

KEY SWITCH

TO TRACTION

 

 

FU6

 

 

 

Pump control will not operate.

 

 

P10 - BDI

 

 

for

 

 

 

 

 

PY7

 

 

 

 

 

 

Pump

POSSIBLE CAUSE

 

P1

P2

P3

 

PY12

 

 

 

P21 P19 P12 PY10

Controller

Check for short circuit from the

 

 

 

 

 

PY11

 

motor armature to the frame of

 

 

 

3

2

1

 

the vehicle.

LINE FU1

 

 

LIMIT

LIMIT

LIMIT

 

 

 

 

 

 

 

 

 

 

SPEED

SPEED

SPEED

 

Control is defective.

 

 

 

 

 

 

 

 

 

 

 

Replace controller unit.

 

 

 

 

 

 

 

 

+

 

 

 

 

 

-

POS

A1

 

POWER

CONNECTIONS

NEG

A2

ARMATURE FIELD

TO

TRACTION

CARD

PUMP

DESCRIPTION OF STATUS

STATUS

 

 

CODE

 

 

-150

Capacitor volts are low after the line

contactor closes.

MEMORY

CORRECTIVE ACTIONS

RECALL

YES

 

 

 

SYMPTOM

 

Circuits

Pump control will not operate.

valid for

POSSIBLE CAUSE

CAUSE OF STATUS INDICATION

This status code will be displayed when the capacitor voltage is less than 85%of the battery voltage in the run mode.

TROUBLE-SHOOTING DIAGRAM

FU3

KEY SWITCH

TO TRACTION

FU6

 

 

P10 - BDI

PY7

Pump

Defective line contactor.

Controller

Check for open line contactor power

tips.

 

 

Check for loose or open connections in

 

cables from battery positive to control

 

positive circuit.

Defective power fuse.

Check power fuse for open circuit.

No battery voltage at P1.

Check for battery voltage at POS and P1.

Check for loose connection at P1.

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 50
Contents Installation and Operation Table of Contents 46-52 20-4041-45 57-62Basic Operation and Features Motor CharacteristicsFlexible System Application More Features with Fewer ComponentsSolid-State Reversing Slows with the increase of current in the field2 Current Limit 1.b Creep Speed1.c Control Acceleration 3.c Pedal Position Plug Braking4.c Proportional Operation for Dual Motor Vehicles 6 Steer Pump Contactor Time Delay4.b Speed Limits 5 Ramp Operation 5a Ramp StartSystem Protective Override 1 Static Return to Off SRO Diagnostics 1 Systems Diagnostics7 On-Board Coil Drivers & Internal Coil Suppression 2 Accelerator Volts Hold Off3 Hourmeter Readings 3.a Maintenance Alert & Speed Limit4 Battery Discharge Indication BDI 4.a Internal Resistance CompensationBasic Operation and Features Argument Outline DRAWINGS, Elementary Drawings and INPUTS/OUTPUTSPart Number 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 2.d. High Power Signals Level HP High-Level Signals Level HMedium-Power Signals Level MP Cable Spacing Guidelines328A1777G1 CleanerReconnect plugs General Troubleshooting Instructions Traction No seat switch or deadman switchTraction Control Codes Status CodeReverse directional switch is closed on Description of Status Cause of Status IndicationDirection selected Start switch fails to closeAccelerator depressed with no KEY Negative Same time Directional switches are closed atBoth the forward and reverse Start switch closed on power up after Initial key switch closureDischarged 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 Transistor over temperature Open thermal protector TP orArmature transistor did not turn off Motor armature offset voltage is tooLow ProperlyLook 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 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 Possible Cause SymptomPump Transistor is over temperature Open thermal protector TP1 orSensor input is missing No power to pump motorPump Controller motor current Control rangeTurn off properly Power Transistor Q1 did notPower Transistor Q1 did not turn on With no pump contactor, controlCapacitor volts are low after the line Contactor closesCheck Controller motor currentSensor input voltage polarity 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 SequenceRemarks Accessing Stored Status Codes With GE HandsetAction Function Function 10 Field Current for Regen Internal Resistance Compensation Battery VoltsBattery volts Set units Function 16 Stall Trip Point with % ON-TIME PushFunction 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 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 % onSummary of Current Limit Adjustments Field CurrentFunction 16 Speed / Torque Compensation Function Current LimitFunction 14 not Applicable 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 SL3Function 55 not Applicable Function 53 Mode 2 Speed Limit 2 SL2Function 54 Mode 2 Speed Limit 3 SL3 Function 59 not ApplicableStandard Dash Displays Dash DisplaysApplication ConnectionsStart-Up Display Sequence Outline DrawingsOperation 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 HoursTens/Ones Reset to Zero Only Stored Status Code #5Reset to Zero Only Stored Status Code #6 Reset to Zero Only HoursThou/HunNone Dash Display Ratio2-1 Reset to Zero Only Stored Status Code #16Reset to Zero Only Dash Display CA-1 Dash Display FWS-1 None