Troubleshooting

10 Troubleshooting

Symptom

 

Possible cause

Solution

 

 

 

 

 

No display

 

Batteries uncharged

Check the position of

 

 

 

 

the batteries

 

 

 

 

 

 

 

 

 

Recharge the batteries

 

 

 

Handset turned off

Turn on the handset

No tone

 

Telephone cord badly

Check the telephone

 

 

 

connected

cord connection

 

 

 

 

 

 

 

 

The line is occupied by

Wait until the other

 

 

 

another handset

handset hangs up

 

 

 

 

 

Volume of

 

 

Adjust the volume

conversation partner

 

during the

too low

 

 

conversation by

 

 

 

 

pressing the volume

 

 

 

 

key

 

 

 

 

Handset ringer

 

Adjust the ringer

volume too low

 

volume

 

 

 

 

Not possible to dial a

Wrong dial mode

see ”6.11 Setting the

number

 

 

dialling mode” to set

 

 

 

 

the correct dialling

 

 

 

 

mode

 

 

 

 

 

The icon

 

flashes

Handset out of range

Bring the handset

 

 

 

 

 

closer to the base

 

 

 

 

 

 

 

 

The base has no power

Check the mains

 

 

 

supply

connection to the base

 

 

 

 

 

 

 

 

The handset is not

Register the handset

 

 

 

registered on the base

on the base

 

 

 

 

Handset does not ring

The ringing volume is

Adjust the ringing

 

 

 

off or low

volume

 

 

 

 

Not possible to

The Flash Time is too

Set the unit to Long

transfer a call on

short

Flash Time

PABX

 

 

 

 

 

 

 

Telephone does not

Manipulation error

Remove the batteries

react to pressing the

 

and put them back in

keys

 

 

place

 

 

 

 

 

20

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Image 22
Topcom 920 manual Troubleshooting, Pabx