User`s guide

Troubleshooting 116
Syn248 SB35020/SB35025 Deskset User’s Guide Back to Contents
No dial tone.
Batteries do not hold a charge.
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 108
 You may be out of range of the Deskset; move
closer.
 At the Deskset, confirm that your headset is
registered to the Deskset. See “Registering an
Optional Cordless Headset (SB35025 Only)” on
page 86.
Probable Cause Corrective Action
Bad battery or bad battery
connection.
 Make sure that the headset battery is installed
correctly.
 Charge the battery, following the instructions in
the headset user’s manual. 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.