Mitel SX-200 DIGITAL Pabx Engineering Information Manual
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Page 181
Troubleshooting CABINET COOLING SYSTEM 4.23 The maximum safe internal ambient operating temperature in- side the SX-ZOO8 DIGITAL PABX control cabinet is 40 degrees Celsius. A temperature sensor is installed within the cabinet and is set to trip at 60 degrees Celsius. This means that when the user is in- formed of this (via a log message), the system is definitely GVER- HEATING, and immediate action is required. Chart 4-9 outlines the troubleshooting procedures for the cabinet cooling system....
Page 182
Troubleshooting tep - 1 2 3 4 5 6 9 8 9 10 11 12 CHART 4-9 CABINET COOLING SUBSYSTEM TROUBLESHOOTING PROCEDURES Action Description f Follow-up emarks lerify that both of the fans are operating. ‘es: l Go to step 2. lo: @ Gotostep 10. /erify that temperature within the cabinet is in l Open the cabinet front door and hold the ‘act at or near 60 degrees Celsius. thermometer deep within the cabinet. s the temperature at, or near 60 degrees? (es: 0 Go to step 5. \lo : * Go to step 4....
Page 183
Troubleshootin,g POWER4 FAIL TRANSFER SYSTEM General 4.24 Power fail transfer relays are provided in order to allow essen- tial service to be maintained in the event of failure of a critical item of equipment, or a serious degradation of service. Power to the transfer relays is maintained diirKg normal operation, but during pow- er fail transfer conditions, power is cut off from the relays. This re- leases them, connecting selected ONS or OPS lines directly to selected CO trunks 4.25 Refer to...
Page 184
Troubleshooting CHART 4-10 POWER FAIL TRANSFER BOARD TROUBLESHOOTING PROCEDURES itep Action Description / Follow-up Remarks 1 Check if the system is operational. Yes: l Go to step 2. No : l Go to Chart 2-2. 2 Check if the entire system is in power fail transfer Yes: @ Go to step 3. mode - refer to the maintenance log. No : l Go to step 7. 3 Verify that -48 Vdc is available in all bays. Yes: * Go to step 4. No : 0 Go to the applicable power supply troubleshooting procedure. 4 Verify that the...
Page 185
Troubleshooting CHART 4-10 (Cont’d) POWER FAIL TRANSFER BOARD TROUBLESHOOTING PROCEDURES itep Action Description I Follow-up 13 Verify that -48 Vdc is available in the affected bav. Yes: l Go to step 14. No : l Go to the applicable power supply troubleshooting procedure. Remarks 14 Verify the connections at the interconnect field. l Repair connections as required; if problem persists, see Note 3 and go to step 17. 15 Check if one or more separate stations are in the Yes: * Go to step 16....
Page 186
Troubleshooting APPENDIX A MAlNTENANCE LOG MESSAGES General Al.01 This Appendix contains the complete set of information mes- sages which are recorded in the maintenance log when a sig- nificant event occurs. Each message is self-explanatory, identifying the event and providing details about it. information on options available to maintenance personel is included under the “Action Required” head- ing. Al.02 There are three types of log report; they are as follows: 1. Fault Report - a report...
Page 187
Troubleshooting TABLE Al-l FAULT REPORTS Channel number 19, link number 07 failed junctor test Alarm Code = 00 rected test on t pecified link to verify blem. Note that 02 corresponds to Bay 05 corresponds ay 04, and link 07 onds to Bay 05 e problem persists, Part of this Section. r, using the MONITOR Channel number 19, link number 07 failed junctor dgl codec Alarm Code = 01 o a directed test on the specified link to verify ther, using the Channel number 19, link number 07 failed junctor ang...
Page 188
Troubleshooting TABLE Al-l (Cont’d) FAULT REPORTS Alarm Code neric Generic 300 1001 Message Action Required 36 06 COV card failed at 01 05 01 00 ext 1501 Int’d) (Cont’d) inject codec test Alarm Code = 06 LS/GS trk card failed at 02 02 01 00 inject codec test Alarm Code = 06 E&M module failed at 02 02 01 00 inject codec test Alarm Code = 06 DTMF RX module failed at 02 02 01 00 inject codec test Alarm Code = 06 07 07 ONS card failed at 02 01 01 00 ext 2101 Do a directed test on the specified...
Page 189
Troubleshooting TA8LE Al-l (Cont’d) FAULT REPORTS LS/GS trk card failed at 02 02 01 00 Hybrid loopback test Alarm Code = 13 Do a directed test on the specified circuit to verify the problem. If the problem persists, the fault is isolated to the specified circuit. Refer to the appropriate Part of this Section. Otherwise, investigate further, using the MONITOR DTMF RX module failed at 02 02 01 00 DTMF receiver test Alarm Code = 14 PRINTER failed at 00 00 02 00 Printer down Alarm Code = 15 Do a...
Page 190
Troubleshooting TABLE Al-l (Cont’d) FAULT REPORTS Alarm Code Message Action Required neric Generic 000 1001 17 101 ONS card failed at 02 01 01 00 ext 2101 Information only. OFF hook too long Alarm Code = 101 Stn line card failed at 03 01 01 00 ext 3101 OFF hook too long Alarm Code = 101 COV card failed at 01 05 01 00 ext 1501 OFF hook too long Alarm Code = 101 Superset card failed at 03 01 01 00 ext 3101 OFF hook too long Alarm Code = 101 18 102 ONS card failed at 02 01 01 00 ext 2101...