4.1 Troubleshooting
4.1.3Operation
| PROBLEM |
| PROBABLE CAUSE |
| SOLUTION |
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• | When using the | • | The HANDSET/ | • | When the headset is not used, set the |
| speakerphone on an |
| HEADSET selector is |
| HANDSET/HEADSET selector to the |
| APT, nothing is audible. |
| set to the "HEADSET" |
| "HANDSET" position. |
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| position. |
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• | When using the | • | The "HEADSET" mode | • | When the headset is not used, select |
| speakerphone/monitor |
| is selected by Personal |
| the "HANDSET" mode by Personal |
| mode with a DPT, |
| Programming, |
| Programming. |
| nothing is audible. |
| "Handset/Headset |
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| Selection". |
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• The PT does not ring. | • | The ringer volume is off. | • | Turn on the ringer volume. | |
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• During a power failure, | • | A DPT or APT is | • | Disconnect the DPT or APT and | |
| extensions connected to |
| connected to the |
| connect an SLT. |
| ports 1 and 2 of hybrid |
| extension port. | • | Set the Tone/Pulse switch to the other |
| extension ports do not | • The dialling mode (tone |
| position. | |
| operate. |
| or pulse) is incorrect. |
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• | Originating an outside | • | The corresponding CO | • | Programme the CO button. Refer to |
| call, call transfer, or |
| button does not exist on |
| "1.18.2 Flexible Buttons" in the Feature |
| conference cannot be |
| the PT. |
| Guide. |
| performed. |
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Installation Manual 159
