Operation and Maintenance
249
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
6. 6. 2. 7 Malfunctions of the DECT charging bays
Tab. 106 Malfunctions of the DECT charging bay
A cordless phone is called from a different system
phone, but cannot be reached.
Busy tone obtained and display reads Busy
• Cordless phone is busy
Congestion tone obtained and display reads Circuit overload.
• All radio channels busy
If congestion tone is obtained after 8 seconds and display
reads No answer. Reasons why the cordless phone could not
be reached:
•It is switched off
• It is not within reachable radio area
• No radio channels currently available
• It is not registered with the system
• Call diverted due to unobtainable
Cordless phone is not ringing. • Activate tone ringing
The cordless phone cannot be configured; PIN miss-
ing (or forgotten).
• Reset PIN for user (overwrite)
Error description Error cause / error handling
The cordless phone will not charge. • Connect power supply
• Check the charging contacts
• Check battery and replace if necessary.
About the charging process:
• Battery symbol on the cordless phone is flashing
(Office 135) or filling up (Office 160, Mitel 600 DECT) when
the battery is being charged.
• Check tone indicates correct contact.
Error description Error cause / error handling
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