User's Manual

Table Of Contents
31
10. Troubleshooting
Phenomena
Analysis
Solution
The radio cannot be
turned on.
The battery may be installed
improperly.
Remove and reattach the battery.
The battery power may run out. Recharge or replace the battery.
The battery may suffer from poor
contact caused by dirtied or
damaged battery contacts.
Clean the battery contacts.
The radio fails to
respond to any
operation.
Too many apps are running.
Forcibly stop some apps or restart the
radio.
The keys, LCD
display, or LED
indicator do(es) not
work normally.
The keys, LCD display, or LED
indicator may fail to function
temporarily.
Restart the radio.
The keys, LCD display, or LED
indicator may be damaged.
Contact your dealer or Hytera
technicians for maintenance.
The radio fails to be
unlocked.
The keys may fail to function
temporarily.
Restart the radio.
The unlock pattern or password
may be incorrect.
Contact your dealer or Hytera
technicians for maintenance.
The radio cannot
access the mobile
network.
The SIM card is abnormal or out of
service because of unpaid charges.
Make sure SIM card functions
properly.
Pay the charges, and then restart
the radio.
The mobile data feature is not
enabled for the SIM card.
Contact the carrier to enable the data
connection feature.
The signal may be weak.
Make sure the radio is within the