Trouble Shooting - Denver DDP-300 User Manual

9 TROUBLE SHOOTING

symptom Possible cause
No display Batteries uncharged
Handset turned OFF
No tone Telephone cord badly
connected
The line is occupied
By another handset
The icon flashes Handset out of range
The base has no power
supply
The handset
registered to the base
Handset do The ringing volume is zero
not ring or low
Tone is good, but The dialing mode is wrong
there is no
communication
Telephone does not Manipulation error
react to pressing the
keys
Keypad lock ON
Flash(R) Key does Wrong Flash time
not work
Solution
Check the position of the batteries
Recharge the batteries
Turn ON the handset
Check the telephone
Cord connection
Wait until the other handset hangs
up
Bring the handset closer to the
base
Check the mains connection to the
base
is not Register the handset to the base
Adjust the ringing volume
Adjust the dialing mode
(pulse/tone)
Remove the batteries and but
them back in place
Turn OFF the Keypad lock
Change the flash time
31 Model:DDP-300