Mitel KF750 - Manual (Page 83)

83
T
roubleshooting
Message Possible Causes Possible Corrective Measures
Phone cannot be
switched on On/Off key pressed too
briefly
Battery empty
Battery contacts dirty Press On/Off key for at least two
seconds.
Charge battery. Check charging
indicator in the display.
Clean contacts.
Charging error Battery totally empty
Temperature out of range
Contact problem
No mains voltage
Charger defective
Wrong charger
Battery defective
Charge battery.
Make sure the ambient temperature
is right, wait for a while, and then
charge again.
Check power supply and connection
to the phone. Check the battery
contacts, clean them if necessary.
Plug in to a different socket or check
voltage.
If the charger does not warm up,
replace it.
Only use original LG accessories.
Replace battery.
Phone loses
network Signal too weak Reconnection to another service
provider is automatic.
Number not
permitted The Fixed dial number
function is on. Check settings.