YASKAWA GPD 505/P5 Manual de programación

PP.P5G5.03.Troubleshoot

Page 1

Rev. 06/11/2003

Yaskawa Electric

America

Unit Troubleshooting Manual

Section Three:

Fault Codes & Appendix

GPD 506/P5 and GPD 515/G5

(0.4 ~ 160kW)

PP.P5G5.03.Troubleshoot

Page 2

Rev. 06/11/2003

Section Three:

Fault Codes

GPD 515/G5

DSPL ENTER

DIGITAL OPERATOR JVOP-131U

FREF FOUT IOUT

ACCEL

F/R

V/F

VMTR

FLA PID

DECEL

FBIAS

RUN STOP

RESET

LOCAL

REMOTE

REF

SEQ

kWout

MONTR

FGAIN

kWsav PRGM

GPD 505/P5 GPD 506/P5

PP.P5G5.03.Troubleshoot

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Rev. 06/11/2003

Fault Codes

The GPD 506/P5 and GPD 515/G5 inverters can store up to (4) faults.

The GPD 515/G5 inverter has a fault trace that saves the drive status

at the time of the fault, and a fault history indicating elapsed time of

the stored faults.

The fault codes can be grouped into (3) categories:

Major Fault - Motor coasts to a stop, the fault is displayed on the

digital operator, and the fault relay is activated.

Minor Fault - Operation continues and the fault flashes on the

digital operator. The fault relay does not activate.

Parameter Setting Error - Inverter can’t run. The fault is

displayed on the digital operator, and the fault relay is not activated.

A complete list of fault codes may be found in the appendix.

PP.P5G5.03.Troubleshoot

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Rev. 06/11/2003

506 √515 √505 Undervoltage of the main circuit when running.

230V Units - trip point 190V DC or less.

460V Units - trip point 380V DC or less.

600V Units - trip point 546V DC or less.

UV1

DC Bus Undervolt Uu1

Undervoltage of the control circuit when running.

230V Units - 30kW ~ 75kW, monitors the (-15V)

power supply.

460V Units - 55kW ~ 160kW, monitors the (-15V)

power supply.

UV2

CTL PS Undervolt Uu2

Possible Cause(s): Single phase condition on the input, low input voltage at L1, L2, and L3.

Corrective Action: Check the three phase input voltage, verify L2-05 for 515/G5 units.

Possible Cause(s): External load connected pulling down the inverter power supplies.

Corrective Action: Repair or replace the power/gate drive board.

Fault Codes

Major Fault - Motor coasts to a stop, the fault is displayed on the digital

operator, and the fault relay is activated.

PP.P5G5.03.Troubleshoot

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Rev. 06/11/2003

The pre-charge contactor opened while the inverter is

running.

UV3

MC Answerback Uu3

Overvoltage of the main circuit when running.

230V Units - trip point 400V DC or more.

460V Units - trip point 800V DC or more.

600V Units - trip point 1050V DC or more.

DC Bus Overvolt ou

This fault only applies to 230V units 18kW ~ 75kW , 460V units 22kW ~ 160kW and

600V units 30kW ~ 160kW .

Possible Cause(s): Contacts on contactor are dirty, contactor does not function mechanically.

Corrective Action: Check the contactor, check the ribbon cable from the control board to the

gate drive board.

Possible Cause(s): High input voltage at L1, L2, and L3. The deceleration time is set too

short. Power factor correction capacitors are being used on the input to the inverter.

Corrective Action: Check the input circuit, verify the program parameters, add a braking

resistor, remove the power factor correction capacitors.

505

Fault Codes

Major Fault - Motor coasts to a stop, the fault is displayed on the digital

operator, and the fault relay is activated.

506 √515 √

PP.P5G5.03.Troubleshoot

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Rev. 06/11/2003

Designed to protect the inverter.

Output current has exceeded OC level of the inverter

rated value instantaneously.

Over current oc

Designed to protect the inverter.

Inverter output grounding current has exceeded 50%

of the inverter rated current.

Ground Fault gf

Possible Cause(s): Shorted inverter output phase to phase, shorted motor, locked rotor.

Corrective Action: Remove the motor and run the inverter without the motor. Check the

motor for a phase to phase short. Check the inverter for a phase to phase short at the output.

Possible Cause(s): Motor lead shorted to ground, DCCT defective.

Corrective Action: Remove the motor and run the inverter without the motor. Check the

motor for a phase to ground short. Check the output current with a clamp on meter to verify the

DCCT reading.

505

Fault Codes

Major Fault - Motor coasts to a stop, the fault is displayed on the digital

operator, and the fault relay is activated.

OC – 200%

20P4 – 2015

40P4 – 4015

51P5 - 5160

OC – 180%

2018 – 2075

4018 – 4160

506 √515 √

PP.P5G5.03.Troubleshoot

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Rev. 06/11/2003

The inverter output is short-circuited.

Short Circuit sc

Detects if the DC bus fuse has opened.

PUF

DC Bus Fuse Open PUf

Possible Cause(s): Shorted output transistor, shorted main circuit component.

Corrective Action: Remove power from the inverter and disconnect the motor. Perform the

checks without/with power starting on page 10. Replace the shorted component(s), then

replace the defective fuse.

505

Possible Cause(s): Shorted inverter output phase to phase, shorted motor, locked rotor.

Corrective Action: Remove the motor and run the inverter without the motor. Check the

motor for a phase to phase short. Check the inverter for a phase to phase short at the output.

Fault Codes

Major Fault - Motor coasts to a stop, the fault is displayed on the digital

operator, and the fault relay is activated.

506 √515 √

PP.P5G5.03.Troubleshoot

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Rev. 06/11/2003

Motor overload, designed to protect the motor.

Fully adjustable from parameter setting (n033 and

n034 for 506/P5 and E1-02 and E2-01 for 515/G5)

A pre-alarm can be selected as a minor fault by using

the multi-function outputs.

OL1

Motor Overloaded ol1

Inverter overload, designed to protect the inverter.

120 or150% of inverter rated current for 1 minute.

515 - 150% for 1 minute

505 and 506 - 120% or 150% depending on drive

capacity and setting parameter n116

OL2

Inv Overloaded ol2

Possible Cause(s): Motor is overloaded.

Corrective Action: Verify the program settings, reduce the load on the motor.

Possible Cause(s): Motor is overloaded.

Corrective Action: Verify the program settings, reduce the load on the motor.

505

Fault Codes

Major Fault - Motor coasts to a stop, the fault is displayed on the digital

operator, and the fault relay is activated.

506 √515 √

PP.P5G5.03.Troubleshoot

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Rev. 06/11/2003

ol3 Over torque detection function.

A customer programmable current detection. Response

may be selected. A minor fault contact output can be

programmed by using the multi-function outputs.

OL3

Overtorque Det 1

OL4

Overtorque Det 2 N/A Over torque detection function (2).

A customer programmable current detection.

Response may be selected. A minor fault contact

output can be programmed by using the multi-function

outputs.

505

Possible Cause(s): Motor is overloaded.

Corrective Action: Verify the program settings, reduce the load on the motor.

Possible Cause(s): Motor is overloaded.

Corrective Action: Verify the program settings, reduce the load on the motor.

Fault Codes

Major Fault - Motor coasts to a stop, the fault is displayed on the digital

operator, and the fault relay is activated.

506 √515 √

505

506 515 √

PP.P5G5.03.Troubleshoot

Page 10

Rev. 06/11/2003

Inverter input power supply has an open phase.

Large imbalance of input voltage.

Input Pha Loss sp1

Inverter output has an open phase.

Output Pha Loss spo

Possible Cause(s): Open phase on the input of the inverter. Loose terminal screws at

terminals L1, L2, or L3. Program parameters set incorrectly (n083 for 506/P5, L8-05 for 515/G5)

Corrective Action: Tighten the terminal screws, check the input voltage, verify the program

settings.

Possible Cause(s): Open phase on the output of the inverter. Loose terminal screws at

terminals T1, T2, or T3. Program parameters set incorrectly.

Corrective Action: Tighten the terminal screws, check the output voltage, verify the

program settings.

Fault Codes

Major Fault - Motor coasts to a stop, the fault is displayed on the digital

operator, and the fault relay is activated.

505

506 √515 √

506 515 √505

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