Eaton SM65, Руководство пользователя

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SM65 Supervisory Module Handbook
38
Copyright © 2004-2009 Eaton Corporation. All Rights Reserved.
IPN 997-00012-35E December 2009
Troubleshooting
Use the table to troubleshoot minor installation and operational problems. For additional
assistance see contact details on page
65 . Return items for replacement or repair with a copy
of the Equipment Incident Report on page 63 .
Problem Possible Cause Required Action
A configuration setting
cannot be changed from the
keypad. Access Control is set to
Protected .
See details on page 10 .
Ribbon cable to display and
keypad module is disconnected
(panel mount modules only). Reconnect ribbon cable. Wait 10
seconds for operation. SM65 LCD display is blank.
Faulty display module Replace faulty unit.
SM65 not powered. Check SM65 power connections.
The AC supply is off and the
batteries are not connected
because of the Low Voltage
Disconnect (LVD) unit tripped. None. The power system including
the SM65 will return to normal
operation when the AC supply is
within its specified voltage range.
SM65 Green
B
Power On
LED off.
Faulty Voltage feed Module
(VFM) or faulty SM65 Replace faulty unit.
SM65 Red
<
LED or Yellow
=
LED on
Urgent/Critical or Non-Urgent
Alarm Check the type of alarm on the LCD
display or with
DCTools or
PowerManagerII . Refer to the Alarm
Descriptions on page 49 .
An active alarm is mapped to
this relay Check alarm relay mapping (see
details on page
22 ).
Monitor OK relay (RLY6) is
de-energized
SM65 software corrupt or
hardware fault. Replace faulty unit.
Incorrect battery or load
current readings. Bus voltage sense polarity
incorrect. Measure the bus voltage sense and
correct if necessary.
SM65 displays
AAA Failed, disconnected or
unconfigured sensor. Replace, connect or configure sensor.
Incorrect, disconnected or faulty
cable Check a null modem cable is
plugged into the correct PC port.
Replace faulty cable.
Serial communications
problem.
Incorrect communications
settings See DCTools / PowerManagerII
Setup on page
33 .
Incorrect modem setup string Refer to the modem's AT command
manual. Modem communications
does not work
Incompatible modem Contact your Eaton DC product
supplier or Eaton for advice. Refer to
Worldwide Support on page
65 .