Troubleshooting
8
S611 Soft Starter
MN03901003E—January 2012 www.eaton.com
Troubleshooting
S611 Fault Codes
Code
Fault
Condition
Solution
3
Watchdog
•
Firmware fault
—
5
Internal Memory
•
Internal FRam memory error
•
Component failure on printed circuit board
•
Contact EatonCare for service
6
User Interface Communications
Failure
•
Communications to UI have been
interrupted
•
Possible hardware failure
•
Firmware is not communicating internally
•
Cycle 120 Vac control voltage power to attempt to
clear problem
7
Internal Program Memory
•
Corrupted firmware or memory
•
Flash CRC
•
Cycle 120 Vac control power to the S611
•
Contact EatonCare for service
8
Voltage Zero Cross Lost
•
Mains voltage lost
•
Phase L1 or L3 lost
•
Load disconnected
•
Restore mains or lost phases
•
Verify that the load is connected and any disconnect
devices are properly engaged
•
Contact EatonCare for service
9
Communications Loss Port A
•
Communications to a remote network
controller was lost during run cycle
•
Device disconnected
•
Connection lost
•
Reattach network controller, verify that the unit is
recognized by the system controller
10
Communications Loss Port B
•
Communications to a remote network
controller was lost during run cycle
•
Device disconnected
•
Connection lost
•
Reattach network controller, verify that the unit is
recognized by the system controller
•
Comms Port B adapter module failed or disconnected
15
Power Pole Over Temperature
•
SCR temperature is above limits
•
Operating environment above specified
maximum temperature
•
Ventilation holes blocked
•
Fans are not operational
•
Starts/hour exceed specifications
•
Sensor failure on power pole
•
Bypass contactor(s) failed to close
•
Ventilate to specified maximum temperatures
•
Clear obstructions
•
Verify fans are operational
•
Verify system is not exceeding the specified
maximum starts per hour
•
Verify bypass contacts are closing at the end of ramp
time
•
Reduce excessive cabinet temperature
16
Bypass Failure
•
Internal bypass contactor(s) not closed
and/or electrically sealed after ramp time
•
Contactor(s) opened in bypass
•
Verify all bypass contactor(s) close (audible noise)
•
Verify all bypass contactor(s) not opening during run
cycle due to excessive vibration and/or shock
Reduce levels of vibration and/or shock
•
Verify control power and wire size meet
specifications
•
Verify that the control power supply meets the
120 Vac voltage and current requirements of the
IT.
soft starter
17
SCR Not Firing
•
SCR is not conducting when gated
Incoming phase lost
•
Special application—undersized or high
impedance motor
•
Load disconnected
•
SCR failure
•
Re-apply lost phase
•
Review S611 application
•
Circuitry damaged by megger testing
•
Contact EatonCare for service
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Содержание S611
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