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UM1M820BNA User Instructions
Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B)
Spec No. 1M820DNA (Model M820D)
62 Chapter 2. Operation
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
Table 4
Full Alarm Name - WEB
(Abbreviated
Alarm Name - LCD)
Alarm Description
Action to Correct
IB (Interface Board) Alarms (IB board must be present in system)
(IB)
Communication Fail
(Comm Fail)
IB board has lost communications with
the Controller.
Check communications cables.
Digital Input 1 Alarm
(DI1 Alarm)
Digital input #1 in alarm state.
--
…
…
…
Digital Input 8 Alarm
(DI8 Alarm)
Digital input #8 in alarm state.
--
Testing Relay1
(Testing Relay1)
Testing Relay 1 (on IB2 Board).
--
…
…
Testing Relay8
(Testing Relay8)
Testing Relay 8 (on IB2 Board).
EIB (Extended Interface Board) Alarms (EIB2 board must be present in system)
(EIB)
EIB Communication Fail
(EIB Comm Fail)
EIB board has lost communications
with the Controller.
Check communications cables.
Bad Battery Block
(Bad Batt Block)
Battery block fails.
Check batteries.
Testing Relay9
(Testing Relay9)
Testing Relay 9 (on EIB Board).
--
…
…
Testing Relay13
(Testing Relay13)
Testing Relay 13 (on EIB Board).
SMDU 1 [2, 3, 4, 5, 6, 7, 8] Alarms (SM-DU Module must be present in system)
(SMDU 1 [2, 3, 4, 5, 6, 7, 8])
Under Voltage
(Under Voltage)
Distribution voltage is below under
voltage threshold.
Check to see why system voltage is
low.
Over Voltage
(Over Voltage)
Distribution voltage is above over
voltage threshold.
Check to see why system voltage is
low.
Communication Fail
(Comm Fail)
The SM-DU 1 has lost
communications with the Controller.
Check communications cables.