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5 Troubleshooting Procedures
MDW 9031/9031DCP Wireless Pocket Phone Installation and Use
503-801-166106 Issue 3 October 1999
LEDs on the carriers
were displaying
correctly according
to the three self tests
in “Installing
Multiple Carriers”
when you installed
the carriers and radio
modules, but now the
LED conditions have
changed.
Radio module is malfunctioning. Locate the malfunctioning radio module by
using the following procedure:
1 Power down all carriers.
2 Remove the rightmost radio module.
3 Wait 15 seconds.
4 Repower the carriers in order from left
to right.
5 Repeat the above steps as often as
necessary, removing the modules one by
one, working from right to left, until the
LED conditions revert back to one of the
following:
• With no radio modules in the carriers:
~ OUT OF SYNC = all lit
~ CONTROL/EXPANSION =
all blinking (green)
or
• With one or more radio modules in each
carrier:
~ OUT OF SYNC = not lit
~ CONTROL/EXPANSION = all lit
~ Control carrier = green
~ Expansion carrier(s) = amber
The last radio module that you removed
before the lights reverted to the proper
display is the malfunctioning one.
1 Power down the carriers again.
2 Replace the malfunctioning radio
module with a good one.
3 Repower the carriers again, in order
from left to right, to verify that the
replacement module functions properly.
If the LEDs match one of the displays
described in Step 5, the radio module is
functioning as it should.
4 Power down the carriers again.
5 Reinsert the remaining radio modules
into their slots.
6 Repower the carriers again, in order
from left to right.
Symptom Possible Causes Possible Solutions