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Maintenance
55
Before Starting Easy Replacement Procedure
1. Check that both the old handset (that is, the handset to be replaced) and the new handset
(that is, the replacement handset) are of the same device type (5603).
2. Make sure that the handset batteries are charged before starting the easy replacement
procedure.
3. Switch off the new handset by long pressing .
Easy Replacement Procedure
During the Easy Replacement procedure, the LEDs of the handset and the charger follow the
same LED indications. This means that if the old handset has a broken display, the LED
indications on the charger and on the handset can be used to follow the replacement procedure.
Before and after easy replacement the LEDs may have different LED indications. For more
details. See also“LED Indications during Easy Replacement” on page 57.
IMPORTANT: Never remove a handset from the charger until the instructions in the
display or the LED tells you to do so (see status on the LED if the display is broken). If
an error is indicated you may want to remove the handset. See “Troubleshooting” on
page 49 for further instructions.
After you place the old handset in the charger, you must place the new handset in the
charger, regardless of whether the replacement was successful or not. Failing to do so
may result in malfunction and the new handset will need servicing.
Note: You can perform Easy Replacement between different product licenses (that is;
Basic and Advanced). The new handset’s product license is not replaced by the old
handset’s variant license during the procedure
1
.