Nortel DMS-100 Series Maintenance Manual page 253

34 Obtain a capacitor forming tool.
Note: A capacitor forming tool consists of a 100 watt 120V light bulb
tightened into a socket with pigtail leads.
35 Loosen the slotted nut on the front of the FSP.
36
Open the FSP panel.
37
Connect the leads of the capacitor forming tool across the terminals that
connect to wires. The terminals are in the tripped circuit breaker. The
terminals that connect to wires are the top and the second from the bottom
terminals.
If, after one minute, the lamp
is lit and you did not replace the
capacitor
is lit and you replaced the
capacitor
is not lit
38 Locate the talk battery filter capacitor in the FSP.
If the circuit breaker
is CB8
is CB9
OPM alarm clearing procedures
DANGER
Risk of electrocution
Some terminals in the FSP have an electrical potential of
-48V dc to -60V dc. Do not touch any terminals in the FSP.
DANGER
Risk of electrocution
Some terminals in the FSP have an electrical potential.
Remove all jewelry before you perform this step.
DMS-100 Family OPM Maintenance Manual XPM14 and up
LCM talk battery alarm
critical
Do
step 38
step 56
step 45
Do The capacitor to replace
C1
C2
7-33
(continued)