Eaton DV2-C16-3 Series, Инструкция по установке и эксплуатации

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Maintenance
Copyright © 2008-2009 Eaton Corporation. All Rights Reserved.
IPN 997-00012-71B July 2009
49
Problem Possible Cause Required Action
The Battery Mid-point
Monitoring system has
detected a voltage imbalance
in one of the battery strings. See Battery Mid-point Monitoring
on page
64 .
String Fail Alarm
A Battery Mid-point
Monitoring sense wire is
disconnected. Check the sense wires.
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
6 .
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.
None, this is normal operation.
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 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
6 .
LVD settings incorrect. Use DCTools/Web to c heck LVD
control channel is enabled and set to
correct values. See details.
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.
LVD contactor(s) not
operating.
Contactor is disconnected. Check the control and dc power
cables are connected. See details on
page
6 .
One or more MOVs have
failed because of lightning
strike(s) or ac transients. Check the visual indicators on all
the MOVs. If a visual indicator
indicates a failed MOV, replace all
the MOVs as soon as possible. See
Monitoring and Replacing Transient
Protective Devices on page
63 .
One or more MOV cartridges
not properly fitted. Check that the MOV cartridges are
properly inserted in the MOV
cartridge holders.
MOV Fail Alarm active.
Faulty MOV Fail alarm wiring. Check the MOV Fail alarm wiring.