System Alarms
| Alarm |
Category |
Cause |
Procedure |
01 |
Power-up Diagnostics |
Failed non-volatile RAM test |
Reset system. If alarm persists, replace CPU II card. |
02 |
Power-up or Automatic Diagnostic |
Checksum error in non-volatile RAM test. |
Reload default data, reprogram. If alarm persists, replace CPU II card. |
03 |
Automatic Diagnostic tests. |
Failure in read/write test of non-volatile RAM |
Clear alarm. If alarm persists, replace CPU II card. |
04 |
Automatic Diagnostic tests. |
Checksum error in Peripheral Processer PROM |
Clear alarm. If alarm persists, replace CPU II card. |
05 |
Automatic Diagnostic tests. |
Singal Processor Failure |
Clear alarm. If alarm persists, replace CPU II card. |
10 |
Trunk Condition (No Loop Current) |
Open Line. Slow Central Office. Incorrect Programming of loop/ground start. Trunk card malfunction. |
Check trunk by direct access from Attendant console. Check programming. Try another Trunk card. |
11 |
Trunk Condition (No Seize Acknowledge) |
Open Line. Slow Central Office. Incorrect Programming of loop/ground start. Trunk card malfunction. |
Check trunk by direct access from Attendant console. Check programming. Try another Trunk card. |
12 |
Trunk Condition (No Release Acknowledge) |
Central Office interface problem. Incorrect Programming of loop/ground start. Tip and Ring Reversed. Trunk card malfunction. |
Check Programming. Check wiring. Try another Trunk card. If fault persists, contact the telephone company. |
20 |
Automatic Diagnostic tests. |
Speech path XX is stuck at 0, and busied out |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
21 |
Automatic Diagnostic tests. |
Speech path XX is stuck high, and has been busied-out |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
22 |
Automatic Diagnostic tests. |
Speech path XX found shorted to speech path YY, and both have been busied-out |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
23 |
Automatic Diagnostic tests. |
Speech path number XX failure as a result of a dial tone detedctor test. |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
30 |
Automatic Diagnostic tests. |
Unable to connect a speech path to line XX |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
31 |
Automatic Diagnostic tests. |
Unable to connect a speech path to trunk XX |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
41 |
Automatic Diagnostic tests. |
DTMF generator X failure and generator busied out. |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
42 |
Automatic Diagnostic tests. |
DTMF receiver X failure and receiver busied out. |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
50 |
Power-up Diagnostic test |
Power fail and reset caued by internal malfunction (not external power source interruption) |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
60-69 |
Automatic Diagnostic tests. |
Software alarms |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
63-64 |
Software |
Defective RAM battery pack or corrupted non-volatile RAM. |
Reset system, reload default data, or replace battery pack. |
73 |
SX-20 Attendant Console |
SX-20 Attendant Console UART malfunction |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
----0 |
Power-up Diagnostic test. |
Checksum error in peripheral processor PROM |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
----1 |
Power-up Diagnostic test. |
Checksum error in call processor PROM |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
----2 |
Power-up Diagnostic test. |
Failure in volatile RAM comprehensive test. |
Follow Peripheral Equipment Trobleshooting Procedure, in Manual. |
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