Eaton APS3-400 Series, Инструкция по установке и эксплуатации

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Maintenance
Copyright © 2007-2010 Eaton Corporation. All Rights Reserved.
IPN 997-00012-52D July 2010
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Problem Possible Cause Required Action
I/O board Power/Comms
OK LED is off I/O board is not powered or
faulty. Check connection to YH3 on I/O board.
See Connections on page
83 .
Replace I/O board if faulty.
I/O board Power/Comms
OK LED is flashing. I/O board is responding to an
Identify command from the
SC200 or SC100.
None, this is normal operation. See
details in the System Controller
Operation Handbook.
LVD Status LED(s) (on I/O
board) are on. LVD contactor is energized. None, this is normal operation.
LVD Status LED(s) are off
(I/O board Power On LED is
on). LVD contactor is de-energized. None, this is normal operation.
LVD Status LED(s) flashing. The contactor is in the wrong
state (SC200 or SC100 internal
state does not match signal from
contactor auxiliary switch).
Check the electrical and mechanical
operation of the contactor and auxiliary
switch.
Check all wiring and connectors. See
Connections on page
83 .
LVD settings incorrect. Check LVD is enabled and set to correct
values. See details in the System
Controller Operation Handbook.
Check that the LVD manual control is set
to AUTO. See details in the System
Controller Operation Handbook.
Check that the contactor is correctly
configured and mapped to the I/O
board. See details in the System
Controller Operation Handbook (SC200
only). LVD contactor(s) not
operating.
Contactor is disconnected. Check the control and dc power cables
are connected. See details on page
83 .