NetSure
™
-48V DC Power System
User Instructions, UM582127000 (Issue AD, January 20, 2014)
Spec. No: 582127000 Code: UM582127000
Model No: 721NPBB Issue AD, January 20, 2014
4. Navigate to “
”. Press
. “
”
highlights.
5. Press
to select the operation. Press
again to
confirm.
6. Return to the Main screen by repeatedly pressing
(escape).
Clearing a Rectifier Lost Alarm
If the ACU+ Controller resets while a rectifier communications fail
alarm is active, the rectifier communications fail alarm is replace
with a rectifier lost alarm. To clear the alarm, perform the
following procedure.
PROCEDURE
1. With the Main screen displayed, press
to go to the
Main Menu. Navigate to and select “
” (ENT).
2. If a password screen opens, a password must be entered
to allow the User to make adjustments. If a password was
previously entered and has not yet timed out, skip this
step and proceed to step 3. Otherwise, to enter a
password, with the cursor at the User Name field (default
is “Admin”), press the down arrow key to move cursor
down to the password line. Press
. “0” is highlighted.
Press the up arrow key once to change the “0” to”1”
(default password is “1”), then press
twice. (
If
you have been assigned a unique User Name and password,
follow this procedure to enter these.)
3. With the Manual menu screen displayed, navigate to and
select “
” (ENT) / “
” (ENT).
4. Navigate to “
”. Press
. “
”
highlights.
5. Press
to select the operation. Press
again to
confirm.
6. Return to the Main screen by repeatedly pressing
(escape).
Clearing a Converter Lost Alarm
If the ACU+ Controller resets while a converter communications
fail alarm is active, the converter communications fail alarm is
replace with a converter lost alarm. To clear the alarm, perform
the following procedure.
PROCEDURE
1. With the Main screen displayed, press
to go to the
Main Menu. Navigate to and select “
” (ENT).
2. If a password screen opens, a password must be entered
to allow the User to make adjustments. If a password was
previously entered and has not yet timed out, skip this
step and proceed to step 3. Otherwise, to enter a
password, with the cursor at the User Name field (default
is “Admin”), press the down arrow key to move cursor
down to the password line. Press
. “0” is highlighted.
Press the up arrow key once to change the “0” to”1”
(default password is “1”), then press
twice. (
If
you have been assigned a unique User Name and password,
follow this procedure to enter these.)
3. With the Manual menu screen displayed, navigate to and
select “
” (ENT) / “
” (ENT).
4. Navigate to “
”. Press
. “
”
highlights.
5. Press
to select the operation. Press
again to
confirm.
6. Return to the Main screen by repeatedly pressing
(escape).
Replacement Information
Replacement Assemblies
When a trouble symptom is localized to a faulty rectifier module,
converter module, controller, or system circuit card; that particular
device or circuit card should be replaced in its entirety. No
attempt should be made to troubleshoot or repair individual
components on any rectifier module, converter module,
controller, or circuit card.
Refer to SAG582127000 (System Application Guide) for
replacement part numbers.
Replacement Cables
Refer to SAG582127000 (System Application Guide) for
replacement part numbers.
Replacement Procedures
Adhere to the “Important Safety Instructions”
presented at the front of this document.
Replacing a Rectifier or Converter Module (in a Spec. No.
588705000 Shelf)
Refer to the Rectifier Instructions (UM1R483500E) or Converter
User Instructions (UM1C400483500E) for a rectifier and converter
module replacement procedure. Refer also to “System
Troubleshooting Information” on page 18.
The rectifier or converter module being replaced is assigned by the
ACU+ the lowest available identification number. If desired, you
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