Rockwell-automation 1560E SMC Flex Smart Motor Controller Manual do Utilizador descarregar pdf (Página 121)

Troubleshooting 9-3

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Table 9.A – Fault Display Explanation

Display FaultCode Possible Causes Possible Solutions

Line Loss :

(with phase indication)

1, 2, 3, 41, 42

and 43

• Missing supply phase

• Motor not connected properly

• Improper or missing feedback

• Check for open line (eg. blown line fuse)

• Check for open load lead

• Check current transformer connections and module

programming

• Check voltage sensing board connections and module

programming

• Check ribbon cable connections between Interface

Board and Control Module

• Check voltage feedback circuits

• Consult factory

Shorted SCR 4, 5 and 6 • Shorted Power Module • Check for shorted SCR, replace if necessary

(See Power Circuit Troubleshooting)

Open Gate

(with phase indication)

7, 8 and 9 • Open gate circuitry

• Loose gate lead

• Perform power supply tests (Chapter 3)

• Check gate lead connections to the gate driver boards

and fiber optics

PTC Power Pole 10 • Controller ventilation blocked

• Controller duty cycle exceeded

• Fan failure

• Ambient temperature limit exceeded

• Failed thermistor

• Failed control module

• Failed gate driver board

• Failed fiber optic cable

• Failed interface board

• Check for proper ventilation

• Check application duty cycle

• Replace fan

• Wait for controller to cool or provide external cooling

• Check connection or replace thermistor

• Replace control module

• Test or replace gate driver board

• Test or replace cable

• Test or replace interface board; check ribbon cables

Motor PTC 12 • Motor ventilation blocked

• Motor duty cycle exceeded

• PTC open

• Check for proper ventilation

• Check application duty cycle

• Wait for motor to cool or provide external cooling

• Check resistance of PTC

Open Bypass 13, 14, 15 • Control voltage is low

• Inoperable bypass contactor

• IntelliVACfault

• Check control voltage power supply

• Check control circuit operation

• Check control plug on contactor

• Check status of IntelliVAC, correct the condition, reset

the module

No load 16, 17, 18, 40 • Loss of load side power wiring

• Loss of feedback

• Check all load side power connections and motor windings

• Check voltage sensing module

Line Unbalance 19 • Supply unbalance is greater than

the user-programmed value

• The delay time is too short for the

application

• Unbalanced feedback

• Check power system and correct if necessary

• Extend the delay time to match the application

requirements

• Check voltage sensing module

Overvoltage 20 • Supply voltage is greater than user-

programmed value

• Check power system and correct if necessary

• Correct the user-programmed value

Undervoltage 21 • Supply voltage is less than user-

programmed value

• The delay time is too short for the

application

• Check power system and correct if necessary

• Correct the user-programmed value

• Extend the delay time to match the application

requirements.

Overload 22 • Motor overloaded

• Overload parameters are not

matched to the motor

• Check motor overload condition

• Check programmed values for overload class and

motorFLC

Underload 23 • Broken motor shaft

• Brokenbelts,toolbits,etc.

• Pump cavitation

• Repair or replace motor

• Check machine

• Check pump system

Jam 24 • Motor current has exceeded the

user programmed jam level

• Correct source of jam

• Check programmed time value

Stall 25 • Motor has not reached full speed by

the end of the programmed ramp time

• Correct source of stall

: Prestart fault indication

1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 197 198

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