Topcom BUTLER 920 - Manual (Page 22)

20
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
connected Check the telephone
cord connection
The line is occupied by
another handset Wait until the other
handset hangs up
Volume of
conversation partner
too low Adjust the volume
during the
conversation by
pressing the volume
key
Handset ringer
volume too low Adjust the ringer
volume
Not possible to dial a
number Wrong dial mode see ”6.11 Setting the
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
supply Check the mains
connection to the base
The handset is not
registered on the base Register the handset
on the base
Handset does not ring The ringing volume is
off or low
Adjust the ringing
volume
Not possible to
transfer a call on
PABX The Flash Time is too
short Set the unit to Long
Flash Time
Telephone does not
react to pressing the
keys Manipulation error Remove the batteries
and put them back in
place