Power Module Leds (Models 9520, 9520-Ilm, 9820-45M) - Paradyne iMarc SLV Operation Manual

Power Module LEDs (Models 9520, 9520-ILM, 9820-45M)

Each power module has a green LED which remains lit while power is applied and
the power module is functioning.
When the yellow front panel System PWR LED is lit, one of the power modules
has failed. The failed power module can be identified from the back of the DSU by
its unlit LED.
Table 3-2.
9000-A2-GB33-20
Power Module Troubleshooting
Configuration Symptom
One Power No front panel
Module LEDs are lit.
Two Power No front panel
Modules LEDs are lit.
The front panel
System PWR LED
is lit.
May 2003
What to Do
(in order, if problem persists)
1. Verify that the receptacle in use provides
120 Vac.
2. Verify that the power module switch is in the On
position.
3. Replace the power module. See
Power Module in Chapter 4, Operation and
Maintenance.
4. Call your service representative.
1. Verify that the receptacles in use provide
120 Vac.
2. Verify that the power module switches are in
the On position.
3. Replace the power modules. See
Power Module in Chapter 4, Operation and
Maintenance.
4. Call your service representative.
1. Check the power module LEDs from the back
of the unit and replace the failed power module
(the one whose LED is off). See
Power Module in Chapter 4, Operation and
Maintenance.
2. Call your service representative.
3. Status and Statistics
Replacing a
Replacing a
Replacing a
3-19