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Troubleshooting
The cable is faulty.
The jack assigned to CU1 1.
on the MERLIN LEGEND
control unit is faulty.
The CU1 jack on the CMS
card is faulty.
ERROR--Feature Button Not Working (CU 1's Button #34)
Possible Cause
Feature button has failed
on-line verification during
initialization.
1. Reverse the cables plugged into the CU1
and CU2 ports on the CMS PC. If the
CU1 indicator on the screen stops flash-
ing and the CU2 indicator appears, the
problem is either a faulty cable or a faulty
MERLIN LEGEND system component.
Do not plug the cables back into their
original ports.
2. Restart CMS.
Unplug the CU1 cable from the CMS PC
and plug it into the CMS supervisor tele-
phone. If the phone does not work, go to
step 2.
2.
Unplug the CU1 cable from its jack in the
control unit and plug it into another
operator jack.
Move CU2 to the other operator jack on
3.
the same module.
4.
Program the jacks as operator jacks (see
page 1-15 in the CMS installation and
System Programming Guide).
If none of the above actions correct the prob-
Iem, contact your equipment supplier for help.
Corrective Action
1. Press [F8] to display CMS menu.
2. Use centralized telephone programming
to remove assignment from button 34 on
the CMS supervisor telephone.
3. Program Feature button on button 34
Error Messages 9-5
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