66
19. Troubleshooting
It is impossible to turn on the mobile
The battery is charging
slowly
Connect the power supply
and charge for several
hours
The battery has
been installed
incorrectly
Remove and insert the
battery again
It is impossible to charge the battery
The battery or the
charger is
damaged
Check the battery and the
charger
The battery is being
charged at temp.
<0°C or >40°C.
Improve the charging
environment
The power supply is
improperly connected to
the telephone or the
socket
Check the power supply
plug
63
Summary of Contents for MM820 Plus
Page 1: ...User s guide GSM mobile phone Maxcom MM820 ...
Page 2: ......
Page 7: ...7 1 Mobile phone description ...
Page 49: ......
Page 75: ...73 ...
Page 76: ......