Nortel DMS-100 Series Maintenance Manual page 726

13-78 Routine maintenance procedures
Post charge test failure
OPAC
(continued)
Post charge test failure
At the MAP terminal
1
2
3
4
5
6
297-8211-550 Standard 05.01 August 1999
Access the OPMPES MAP display level by typing
>MAPCI;MTC;PM;PES
and pressing the Enter key.
Post the appropriate alarm by typing
>POST alarm_state
and pressing the Enter key.
where
alarm_state is RED, AMBER, GREEN, or OFFL
Note: This command posts all the PMs in the named alarm state, and displays
the first PM in the set. Use the NEXT command to scroll through the posted
PMs until the MAP terminal displays the appropriate OPAC.
Disable the automatic battery rotation and testing by typing
>AUDIT DISABLE
and pressing the Enter key.
From the PES117 log, determine which battery string voltage tested below
OPM_VOLT_TST_DIS. If strings 1 and 5 were marked failed, determine if
string 1, 5, or both caused the alarm.
Note: OPACs with MTU: Default OPM_VOLT_TST_DIS = –495 or –49.5
Place the failed battery string pair on the charge bus by typing
>CHARGE n
and pressing the Enter key.
where
n is the number of the string pair (0–2)
Leave the string pair on the charge bus for at least 6 hours before proceeding
to the next step.
Open the circuit to the failed battery string pair by typing
>OPENCKT n
and pressing the Enter key.
where
n is the number of the string pair (0–2)
Leave the string pair in the open-circuit state for at least 6 hours before
proceeding to the next step.