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UM1M820BNA User Instructions
Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B)
Spec No. 1M820DNA (Model M820D)
40 Chapter 2. Operation
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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
System Temp3 High 2
(System T3 Hi2)
Temperature sensor #3 sensing
temperature higher than high
temperature threshold 2.
Note: This alarm is not used at this
time.)
System Temp3 High 1
(System T3 Hi1)
Temperature sensor #3 sensing
temperature higher than high
temperature threshold 1.
System Temp3 Low
(System 31 Low)
Temperature sensor #3 sensing
temperature lower than low
temperature threshold.
IB2 Temp1 High 2
(IB2 T1 Hi2)
Temperature sensor #1 (connected to
IB2 board and set as Ambient)
sensing temperature higher than high
temperature threshold 2.
Check why temperature is high or low.
IB2 Temp1 High 1
(IB2 T1 Hi1)
Temperature sensor #1 (connected to
IB2 board and set as Ambient)
sensing temperature higher than high
temperature threshold 1.
IB2 Temp1 Low
(IB2 T1 Low)
Temperature sensor #1 (connected to
IB2 board and set as Ambient)
sensing temperature lower than low
temperature threshold.
IB2 Temp2 High 2
(IB2 T2 Hi2)
Temperature sensor #2 (connected to
IB2 board and set as Ambient)
sensing temperature higher than high
temperature threshold 2.
Check why temperature is high or low.
IB2 Temp2 High 1
(IB2 T2 Hi1)
Temperature sensor #2 (connected to
IB2 board and set as Ambient)
sensing temperature higher than high
temperature threshold 1.
IB2 Temp2 Low
(IB2 T2 Low)
Temperature sensor #2 (connected to
IB2 board and set as Ambient)
sensing temperature lower than low
temperature threshold.