
InstallationProblems(continued)
Symptom | Possible Causes | Possible Solutions |
After plugging the | Radio modules are out of | Power down the carrier and |
carrier into an | synchronization. | repower it. If you have multiple |
electrical outlet, the |
| carriers, repower the control |
PASS LED of one or |
| carrier first, and then power the |
more radio modules |
| expansion carriers in order from |
does not light. |
| left to right. |
|
| If the problem persists, call for |
|
| help.* |
|
|
|
| A radio module is malfunc- | 1. Remove all but one radio |
| tioning. | module from the carrier. (See |
|
| "Removing a Radio Module |
|
| from the Carrier" in Chapter 4.) |
|
| 2. Test each radio module indi- |
|
| vidually, verifying that the |
|
| POWER and PASS LEDs on |
|
| each radio module light when |
|
| the carrier is powered. |
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| 3. If the PASS LED does not light, |
|
| the radio module is malfunction- |
|
| ing. Replace the radio module |
|
| and handset. |
|
|
|
A defective radio | The radio module was in- | Power down the carrier and |
module was | serted without first powering | repower it. If you have multiple |
replaced, and now | down the carrier. The carrier | carriers, repower the control |
all the handsets | is out of synchronization. | carrier first, and then power the |
have less range |
| expansion carriers in order from |
than before, and |
| left to right. |
the voice quality |
| If the problem persists, call for |
has deteriorated. |
| |
| help.* | |
|
| |
|
|
|
When turned on, | Electrical outlets may not be | Verify that the outlets for the |
the handset | up to specifications. Electri- | communications system switch |
display shows | cal problems, such as no | and for the carrier(s) meet |
lines going on hold | ground or floating ground, | electrical requirements. (See |
and line selections | can cause the switch to send | "AC Outlet Check" in Chapter 2. |
changing without | or receive spurious current, |
|
any buttons being | causing problems in switch |
|
pressed. | protocol. |
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* See “Customer Support” on the inside front cover of this book.