Common Procedures; Troubleshooting A Failure To Load - Nortel DMS-100 Series Maintenance Manual

4 To remove the power from the busied RLCM unit, set circuit breaker
5 You powered down the RLCM unit.
6 Repeat this procedure for the mate unit.
7 The procedure is complete.

Common procedures

The following sections for loading, RTS, dial tone and ringing generators
present common troubleshooting procedures.

Troubleshooting a failure to load

The following procedure outlines the steps to troubleshoot a failure to load
the peripheral program files for the RLCM.
1 Verify that blown fuses are not present and that power converters are
2 Unseat the 6X51, 6X52, and 6X53 cards from unit 1. Unseat the 6X50
3 Attempt to load unit 0.
4 If unit 0 fails to load, reseat the cards removed from unit 1. Unseat the
5 If both units fail to load, attempt to load the PM from another device.
6 Replace the 6X51, 6X52, and 6X53 cards in unit 0 and unseat the same
7 If unit 0 fails, replace the 6X51, 6X52, and 6X53 cards in unit 1. Unseat
8 If both units fail to load, replace the 6X73 (slot 17 of HIE shelf) and the
(CB) on the FSP to OFF.
if unit to power down
is Unit 0
is Unit 1
powered up and supply the correct voltages.
(slot 20 of HIE shelf), 6X73 (slot 18 of HIE shelf), and the 2X70 (slot 22
of the HIE shelf) cards.
6X51, 6X52, and 6X53 cards from unit 0. Unseat the 6X50 (slot 19 of
HIE shelf), 6X73 (slot 17 of HIE shelf), and the 2X70 (slot 25 of the
HIE shelf) cards. Attempt to load unit 1.
Load from the input output controller (IOC) disk drive first. Load from
the system load module (SLM). If the other two fail, load from the
original PMLOAD tape.
cards in unit 1. Attempt to load unit 0.
the same cards in unit 0. Attempt to load unit 1.
6X50 (slot 19 of HIE shelf) cards. Attempt to load unit 0.
DMS-100 Family RLCM Maintenance Manual XPM12 and up
Advanced troubleshooting procedures 12-3
Trip circuit breaker
CB6
CB6