Nortel DMS-100 Series Maintenance Manual page 258

7-74 RLCM alarm clearing procedures
Ext FSP
RLCE frame major
50
At the RLCE frame
51
52
53
54
55
297–8351–550 Standard 04.01 August 1999
(continued)
Determine if the fuse blows again.
If the fuse
blows again
does not blow again
Set the circuit breaker to ON.
If the circuit breaker
turns OFF, and the RG fail LED is
lit.
remains ON, and the RG fail LED
is not lit
remains ON, and the RG fail LED
is lit
Set the circuit breaker to OFF.
Replace the RG by performing the correct procedure in Card Replacement
Procedures . Complete the procedure, and return to this point.
Determine if the RG fail LED for the replaced RG is lit.
If the RG fail LED
is lit
is not lit
Determine which power converter has a lit converter fail LED.
If the converter
is an NT6X53
is not an NT6X53
Do
step112
step 51
Do
step 53
step105
step 52
Do
step 112
step 105
Do
step 56
step 59