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Power Electronics VFD - User Manual

Power Electronics VFD
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© Copyright 2016 Power Electronics
®
International Inc. 561-8 Plate Drive, East Dundee, Illinois 60118-2467 USA
Power Electronics
®
VFD
Troubleshooting Guide and FAQs

Table of Contents

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Power Electronics VFD Specifications

General IconGeneral
CategoryDC Drives
ManufacturerPower Electronics
Control MethodMicroprocessor-based control
Cooling MethodForced air cooling
Protection FeaturesOvercurrent, overvoltage, undervoltage, short circuit, over temperature

Summary

Drive Selection Help

Selecting the Right PE VFD or Multi-Vector Drive

Guide to selecting the appropriate drive based on application requirements.

Avoiding Oversized Drive Selection

Explains why PE® drives do not require over-sizing for demanding applications.

PE Drive Compatibility with Single-Phase Power

Addresses compatibility with single-phase power sources and motors.

Using PE Drives with Two-Speed Motors

Details usage with two-speed motors and specific PE® drive models.

Installation Help

Proper PE Drive Mounting

Guidance on correct vertical mounting and ventilation for optimal cooling.

Interpreting P.C. 22 Flashing Display

Explains P.C. 22 flashing, indicating U22 parameter needs setting.

Performing a Gang-Set

Procedure for resetting drive parameters to factory defaults for quick setup.

Adjusting Motor Speed Settings

Details adjusting motor speed, acceleration, and deceleration using 'A' parameters.

General Troubleshooting

PE Drive Unlock Code

Provides the unlock code required to access certain parameter groups.

Drive Behavior During Trip Events

Describes the four events that occur when a trip condition is detected.

Initiating PE Drive Troubleshooting

Initial steps for troubleshooting, focusing on fuses, event codes, and memory.

Accessing Drive Event Code History

Explains how event codes are automatically stored in diagnostic memory locations.

Using Event Codes for Diagnosis

Guidance on interpreting event codes for diagnosing trip conditions.

Resetting the Drive After a Trip Event

Methods for clearing event codes and resetting the drive after a trip.

Troubleshooting Event Codes (F1 - F47)

F0: No F-Code Recorded

Explains F0 indicates no fault was stored or memory was cleared.

F1: Current Trip Troubleshooting

Troubleshooting steps for F1 (Current Trip), a common drive fault.

F1 Trip During Acceleration

Addresses F1 trips occurring during acceleration and potential causes/solutions.

F1 Trip During Deceleration

Addresses F1 trips occurring during deceleration and potential causes/solutions.

F1 Trip at Constant Speed

Addresses F1 trips at constant speed or when a specific speed is reached.

F1 Trip: Motor Not Starting

Addresses F1 trips when the motor doesn't start despite drive command.

Additional F1 Current Trip Causes

Lists additional potential causes for F1 (Current Trip) faults.

F2: Motor Thermal Trip; I^2 T Trip

Diagnosing F2 (Motor Thermal Trip) and I^2T trip events.

F3: Braking Resistor or Low Bus Voltage

Troubleshooting F3 for braking resistor issues or low bus voltage.

F4: Low Bus Voltage

Diagnosing F4 (Low Bus Voltage), a normal trip on power down.

F5: Over Voltage Trip

Diagnosing F5 (Over Voltage Trip) and its causes like high input voltage.

F6;F7: Auxiliary Trip

Diagnosing F6/F7 (Auxiliary Trip) related to external device signals.

F8: A Parameters Out of Spec

Diagnosing F8 (A Parameters Out of Spec) due to logical incompatibility.

F9: CPU Error

Diagnosing F9 (CPU Error) indicating a failure of the drive's CPU.

F10: Memory Error

Diagnosing F10 (Memory Error) due to parameter memory chip malfunction.

F11: Timer

Diagnosing F11 (Timer) when motor runs longer than allotted time.

F12: Hardware Failure

Diagnosing F12 (Hardware Failure) indicating internal component issues.

F13: Overload

Diagnosing F13 (Overload) caused by overload device tripping.

F14: Output Phase Loss

Diagnosing F14 (Output Phase Loss) due to lost line to motor.

F17: Encoder Tracking

Diagnosing F17 (Encoder Tracking) when motor does not match drive command.

F18;F19: Encoder Phase A or B

Diagnosing F18/F19 (Encoder Phase) for power loss in encoder wiring.

F20: Heat Sink Too Hot

Diagnosing F20 (Heat Sink Too Hot) due to excessive drive temperature.

F21: Begin Brake Test Failure

Diagnosing F21 (Brake Test Failure) indicating slipping during the test.

F22: CPU Fault

Diagnosing F22 (CPU Fault) indicating a failure of the drive's CPU.

F23: Brake Control Circuit Open

Diagnosing F23 (Brake Control Circuit Open) due to wiring or fuse issues.

F24: Drive Output Leads

Diagnosing F24 (Drive Output Leads) for lost motor phase during start.

F25: Extra Encoder Pulses

Diagnosing F25 (Extra Encoder Pulses) due to noise or incorrect settings.

F26: Brake Relay Failure

Diagnosing F26 (Brake Relay Failure) indicating an internal brake control relay issue.

F27: Weight Limit Trip (Over Torque)

Diagnosing F27 (Weight Limit Trip) related to over-torque settings.

F28: Power Supply Failure

Diagnosing F28 (Power Supply Failure) affecting supplies, fans, or contactor.

F33: Tracking Error

Diagnosing F33 (Tracking Error) due to speed discrepancy with encoder feedback.

F34: Encoder Tracking Error During Zip-Up

Diagnosing F34 (Encoder Tracking Error) during Zip-Up® function.

F35;F36: Encoder Speed

Diagnosing F35/F36 (Encoder Speed) for encoder running too fast.

F45: Binding

Diagnosing F45 (Binding) after brake test failure, possibly slow DC brake reaction.

F46: No Movement

Diagnosing F46 (No Movement) when the encoder is not moving.

F47: Encoder Problem

Diagnosing F47 (Encoder Problem) for missing encoder pulses.

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