Troubleshooting Power Problems; Troubleshooting The Controller - Nortel Meridian Companion Installation And Maintenance Manual

133 Troubleshooting

Troubleshooting power problems

Troubleshooting the Controller

COMPANION 200 Installation and Maintenance Guide
If the power fails or if the COMPANION 200 system is
disconnected, all Configuration and Administration data is retained
for at least three days. After three days without power, you may have
to perform Memory reset.
1. If none of the power-on lights are lit, verify there is power at the
ac outlet.
2. If there is no power, ask the owner of the system to check with
building maintenance.
3. If there is power at the ac outlet, check the fuse of the power bars.
4. Replace the modules whose power-on light is not lit.
To troubleshoot the Controller, follow these steps:
1. Check that the power cord is properly connected to a working ac
outlet.
2. Check that the Software Cartridge is firmly seated in its slot.
3. If power is ON and the light indicator on the Controller is OFF,
unplug the Controller and replace the power supply unit with a
new one. Verify that the Controller works with the new power
supply unit.
4. Unplug the Controller and replace the Software Cartridge with a
new one. Verify if the Controller works with the new Software
Cartridge.
!
Wear a Grounding Strap.
Install with the power OFF.
Never install or remove the Software Cartridge when power to the
Controller is ON.
P0725810 Issue 3.0