VTech Telecommunications Ltd 80-9098-00 Manuel D’Utilisation

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Troubleshooting
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Syn248 SB35020/SB35025 Deskset User’s Guide
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HEADSET key on Deskset does not work.
MUTE key on the Deskset does not mute the Headset.
No dial tone.
Batteries do not hold a charge.
Probable Cause
Corrective Action
Headset is in the charger or 
powered down.
„
Confirm that the Headset is out of its charger 
before you press HEADSET.
„
Confirm that the Headset has sufficient power. If 
the Headset does not respond and the blue light 
does not blink, the battery may have no charge. 
Place the Headset in the charger for at least six 
hours.
Probable Cause
Corrective Action
MUTE keys on Deskset and 
Headset operate separately.
„
None. Only the MUTE key on the Headset mutes 
calls. The MUTE key on the Deskset does not 
work with the Headset.
Probable Cause
Corrective Action
Headset cannot 
communicate with Deskset.
„
Verify that the Deskset can make external calls. 
For more information, see 
“Outgoing Calls” on 
page 107
„
You may be out of range of the Deskset; move 
closer.
„
At the Deskset, confirm that your Headset is 
registered to the Deskset. On the Deskset, press 
MENU –> 2 –> 6 to view the Cordless Handset 
screen.
Probable Cause
Corrective Action
Bad battery or bad battery 
connection.
„
Make sure that the Headset battery is installed 
and securely plugged into the connector. 
„
Charge the battery for at least six hours. For 
optimum daily performance, return the Cordless 
Headset to the charger when not in use.
„
You may need a new battery.
„
Your Headset might be malfunctioning. Contact 
the headset manufacturer.