Rockwell-automation 1560E SMC Flex Smart Motor Controller Instrukcja Użytkownika Strona 121

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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
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