Справочник Пользователя для Mitel 5603

This section contains information on how to solve common operational problems, and warnings 
you may receive.

Go through the following lists if you encounter any problems. If this checklist does not solve 
the problem, contact your system administrator. 

If others have similar problems, there may be a system error.

No display

The battery level is low or the handset 
is defective.

Charge the battery or contact 
system administrator.

No ringing

The sound off icon is on, or ringer 
volume set to silent, or the handset is 
defective.

Long press the Sound off key, or 
increase volume, or contact 
system administrator.

No access

The network is in range, but no 
access rights.

Switch handset off and then switch 
it on again or contact system 
administrator.

No System. The handset 
beeps once a minute 
(during max 30 minutes) 
with a low tone followed 
by a high tone (if enabled, 
the vibrator also follows 
the beeps).

The handset is out of coverage or 
handset is defective.

Stop the beep with the Sound off 
key and go into range.
Note: When re-entering the 
coverage area it can take a couple 
of minutes before the handset 
automatically has registered into 
the system.

or

contact system administrator.

SERVICE required

options corrupt

The handset is defective.

Select reset option on the middle 
soft key if available or if no reset 
option is available or fault does not 
resolve the handset needs repair. 
Note: Display message only 
shown in English.

SERVICE required 

Invalid IPDI

Note: This display 
message is only shown in 
English.

Easy replacement procedure not 
followed correctly or failure during 
easy replacement procedure.

Send the handset for service.

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