Troubleshooting:
EHS Reset - when the headset and telephone are not working correctly
If the telephone fails to respond when pressing the headset “Call” button, please try the following
steps in sections 1 (Power Down) and 2 (Power Up):
1. Power down the telephone by unplugging the cables in this order:
a. EHS cable (either end)
b. Headset power pack (rear of headset)
c. Power pack cable at rear of telephone
d. Telephone line cord
e. Lastly, lift the handset of the cradle and press a few number digits (the display should
be blank).
2. Power up the telephone by reconnecting the cables in this order:
a. Ensure that the handset is in the telephone cradle
b. Put the headset on the charging base
c. Plug in the headset power pack
d. Plug in the EHS cable between the telephone and headset
e. Plug the 9V power pack back into the telephone
f. Plug the line cord back into the rear of the telephone.
Note: Make sure you do the above in the correct order or you may find things may
not work.
How to reset/re-pair a CS500 Series headset
If the headset fails to respond when the call button is pressed, the headset may need resetting or re-
pairing.
1. Press and hold the call button on the headset for 5 seconds until the white light on
the headset (not the base) flashes twice.
2. Place the headset in the charging cradle for 3 seconds so it can pair to the base
again.
