0160-5.0, 6 - Troubleshooting and Fault Information
Contents
1. output terminals for a shorted condition 43 VW Short Excessive current has been detected between Check the motor and external wiring to the controller Fault these two controller output terminals output terminals for a shorted condition 46 Power Test Fault detected during initial start up sequence Check controller wiring Check motor wiring Fault 48 Reprogram Occurs when controller parameters are resetto Clear fault Fault defaults 6 2 Chapter 6 Troubleshooting and Fault Information 6 Troubleshooting and Fault Information Table 6 B Troubleshooting Problem Corrective Action Motor does not start 1 Check power circuit No output voltage to motor Check supply voltage Check all fuses and disconnects 2 Check motor Verify that motor is connected properly 3 Check control input signals e Verify that START signal is present e Verify that STOP signal is present e Verify that RUN FORWARD and RUN REVERSE signals are NOT both active 4 Check P46 Input Mode Select e f P46 Input Mode Select is set to 2 only the program keypad module Start button will start the motor Controller Started but motor 1 Check motor NOT rotating e f Verify that motor is connected properly P01 Output Frequency y propsry displays 0 0 2 Check frequency source P06 Frequency Command Verify that frequency signal is present at terminal block TB3 10 10V signal 4 20 mA signal e Verify that Pres2. 40 VAC Monitor incoming AC line for low voltage or line power interruption undervoltage trip occurs at 210 VDC bus voltage equivalent to 150 VAC incoming line voltage For controllers rated at input voltage 380 460 VAC undervoltage trip occurs at 390 VDC bus voltage equivalent to 275 VAC incoming line voltage 05 Over Voltage DC Bus maximum voltage exceeded For Fault controllers rated at input voltage 200 240 VAC overvoltage trip occurs at 410 VDC bus voltage equivalent to 290 VAC incoming line voltage Bus overvoltage caused by motor regeneration Monitor incoming AC line for excessive voltage Extend the decel time or install dynamic brake module or external capacitor module See Appendix A For controllers rated at input voltage 380 460 VAC overvoltage trip occurs at 815 VDC bus voltage equivalent to 575 VAC incoming line voltage 6 1 Chapter 6 Troubleshooting and Fault Information 6 Troubleshooting and Fault Information Table 6 A Bulletin 160 Fault Descriptions continued Fault Fault Fault Description Corrective Action Number Indication 06 Motor Stall Motor has stalled Motor load is excessive Longer acceleration time or a reduced load required Fault 07 Motor Internal electronic overload trip Excessive motor Reduce motor load until controller output current Overload load exists does not exceed the current set by P42 Motor Fault Overload Current Reduce P38 Boost Volts 08 Over Exc
3. Troubleshooting and Fault Information Fault Information Figure 6 1 Fault Display P07 Last Fault Fault Code Number 0 7 212 See Table 6 A below for fault descriptions Controllers equipped with a program keypad module will flash the display when a fault is present If a fault occurs parameter 07 Last Fault displays You can cross reference the number that appears on the display e g 22 with the fault numbers listed in Table 6 A Table 6 A Bulletin 160 Fault Descriptions Fault Fault Fault Description Number Indication 03 Power Loss DC Bus voltage remains below 85 nominal on Fault power up for longer than 5 seconds Chapter 6 Fault LED Without Program Keypad Module Controllers without a program keypad module come equipped with a fault LED When the fault LED illuminates a fault condition exists Tips To Clear a Fault IMPORTANT If a fault occurs it is important to address and correct the fault as well as the condition that caused the fault To clear a fault perform one of the following Press the program keypad s stop button Cycle power to the controller Cycle the TB3 stop input signal to the controller Set P54 Clear Fault parameter to a 1 Corrective Action Monitor incoming AC line for low voltage or line power interruption 04 Under Voltage DC Bus voltage fell below the minimum For Fault controllers rated at input voltage 200 2
4. eS GND PE Control Bus ER TB3 1 Power Voltage Current f re Circuitry Circuitry ef 10to 10V TB3 2 qe or _ u r Potentiometer TB3 3 ee Common nn or Fault Feedback cc t ye 20 mA Tga Program Keypad CPU Module Reverse TB3 5 Stat o o ____ TB3 6 Opto ae TB3 8 peoleley Rel TB3 9 Customer elay Common Circuitry is TB3 10 eroorenmete 0 7 TB3 11 UP 6 4
5. essive heat detected Clear blocked or dirty heat sink fins Check ambient Temperature temperature Check for blocked or non operating fan Fault 12 Overcurrent Overcurrent detected in hardware trip circuit Check short circuit at the controller output or exces Fault sive load conditions at the motor 22 Controller Stop input not present Check stop connection at TB3 terminal 8 Reset Fault 32 EEPROM EEPROM has invalid data Reset EEPROM using P56 Reset Defaults Fault 33 Max Retries Controller failed to reset fault within the number Repair system fault Fault of retries set in P50 Restart Tries 38 Phase U Fault Phase to ground fault detected between Check the wiring between the controller and motor controller and motor in phase U Check motor for grounded phase 39 Phase V Fault Phase to ground fault detected between Check the wiring between the controller and motor controller and motor in phase V Check motor for grounded phase 40 Phase W Phase to ground fault detected between Check the wiring between the controller and motor Fault controller and motor in phase W Check motor for grounded phase 41 UV Short Excessive current has been detected between Check the motor and external wiring to the controller Fault these two controller output terminals output terminals for a shorted condition 42 UW Short Excessive current has been detected between Check the motor and external wiring to the controller Fault these two controller output terminals
6. et Frequencies are set properly 3 Check control input signals e Verify that SW1 SW2 and SW3 are correct Refer to the chart at the end of Chapter 5 4 Check parameter settings e Verify that P59 Freq Select is showing desired frequency source e Verify that P58 Internal Frequency is the desired value Motor not accelerating properly 1 Check motor e Verify that motor is connected properly e Verify that no mechanical problems exist 2 Check parameter settings e Verify that P30 Accel Time 1 or P69 Accel Time 2 is set properly e Verify that P43 Current Limit is set properly e Verify that P38 Boost Volts is set properly Can not operate in RUN FWD 1 Verify that P46 Input Mode Select is set to 1 RUN REV mode 2 Verify that power has been cycled for above change to take effect 3 Verify that both RUN FORWARD and RUN REVERSE switches are NOT closed simultaneously 6 3 Chapter 6 Troubleshooting and Fault Information 6 Troubleshooting and Fault Information Block Diagram of Bulletin 160 Analog Signal Follower Brake Module Capacitor Module BR ie lai DC DC MR x T1 U ee O L2IS lt T2N E T LO A al Ato ai Motor Bx oo gt 2 O GND PE
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