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12. Information

12.1 Error tree

Problem

Check

 

The telephone freezes

Remove and replace the battery pack. Press

to turn on the telephone

 

 

The telephone does not ring

Check whether the ringer is SILENT or RINGER VOL. is OFF

 

 

The telephone cannot find a system ID at

Check whether the system is set to allow subscriptions

“SUBSCRIPTION CREATE”

 

 

The telephone cannot subscribe even if

Check if Access Code is necessary

 

system ID has been found

 

 

 

 

Not possible to turn on the telephone

Check if battery is connected. If yes, charge the battery

 

 

The telephone turn off when recieving a call

Charge the battery. If still a problem change the battery as it might

and going off-hook

be defective

 

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Polycom 4020 manual Information, Error tree