Rockwell-automation 1560E SMC Flex Smart Motor Controller Manual de usuario descargar pdf (Pagina 122)

9-4 Troubleshooting

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Table 9.A – Fault Display Explanation (cont.)

Display FaultCode Possible Causes Possible Solutions

Phase Reversal 26 • Incoming supply voltage is not in

the expected ABC sequence

• Check power wiring

• Disable protection if not needed

Comm Loss 27, 28, 29 • Communication disconnection at

the serial port

• Check for a communication cable disconnection to the

SMC-Flex controller

Network 30, 31, 32 • DPI network loss • Reconnect for each DPI connected device

Ground Fault 33 • Ground fault current level has

exceeded programmed values

• Check power system and motor; correct if necessary

• Check programmed ground fault levels to match

application requirements

Excess Starts/Hr. 34 • Number of starts in a one-hour

period has exceeded the value

programmed

• Wait an appropriate amount of time to restart

• Consult factory if more than 2 starts per hour are

required

Power Loss :

(with phase indication)

35, 36, 37 • Missing supply phase (as indicated)

• Loss of feedback

• Check for open line (i.e., blown line fuse)

• Check CT connections, replace Interface board

Hall ID 38 • Faulty interface • Check ribbon cable connections between interface

board and control module

• Replace interface board

NVS Error 39 • Data entry error • Check user data and perform a User Store function

• Replace control module

System Faults 128 to 209 • Control module internal fault • Cycle control power to reset the control module

• If fault persists, replace control module

: Prestart fault indication

Table 9.B – Motor Will Not Start – No Output Voltage to the Motor

Display Possible Causes PossibleSolutions

Fault displayed • See fault description • See Table 9.A addressing fault conditions

Display is blank • Control voltage is absent

• Failed control module

• Check control wiring and correct if necessary

• Replace control module

Stopped

0.0 Amps

• Pilot devices

• SMC Enable input is open at

terminal 13

• Terminal 16 is open

• Start-Stop control has not been

enabled for the human interface

module

• Control voltage

• Failed control module

• Check wiring

• Follow the instructions on page 2-16 to 2-18

to enable control capability

• Check control voltage

• Replace control module

Starting • Two or three power phases are

missing

• Check power system

• Check voltage sensing module and connections

Table 9.C – MotorRotates (but does not accelerate to full speed)

Display Possible Causes PossibleSolutions

Fault displayed • See fault description • See Table 9.A addressing fault conditions

Starting • Mechanical problems

• Inadequate Current Limit setting

• Failed control module

• Check for binding or external loading and correct

• Check motor

• Adjust the Current Limit Level to a higher setting

• Replace control module

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