6
FOR YOUR REFERENCE
6-2
■ Troubleshooting
The following chart is designed to help you to correct problems that are not equipment malfunctions. If you are unable to locate
the cause of a problem, or solve it through the use of this chart, contact your dealer.
PROBLEM
POSSIBLE CAUSE
SOLUTION
REFERENCE
No power comes ON.
Loose connection of the battery pack.
Clean the battery pack terminals.
–
The battery is exhausted.
Charge the battery pack.
–
The battery pack’s over-discharge protec-
tion circuitry is activated.
Remove the battery pack from the
IP501H, then charge it for a while.
Attach the battery pack to the IP501H
again, then turn ON the power.
–
No sound comes from
the speaker nor
earphone.
Volume level is set too low.
Rotate [PWR/VOL] to increase the vol
-
ume level.
p. 1-3
Calls cannot be made
The call-to party number or group number
is wrong.
Check the call-to party number or
group number.
pp. 2-4, 3-5
No reply is received
The “
” icon blinks.
Move your location, then try again.
–
The “ " icon displayed.
Push [PTT] to re-register the transceiver
to the system.
Wait for a while, or change your location.
Check that the LTE line is established.
The operator is away from the transceiver,
or the transceiver is turned OFF.
Wait until the operator is back, or ask
your system manager.
“Key lock” is displayed
when a key is pushed
The Key Lock function is turned ON.
Turn OFF the Key Lock function.
p. 1-7
The charging indicator
blinks orange,
or alternately blinks
orange and green
The battery pack is not properly inserted.
Insert the battery pack properly.
pp. 5-6, 5-7
Charging the battery pack outside of the
chargeable temperature range.
Charge the battery pack in the chargeable
temperature range.
10°C to 40°C (+50°F to +104°F)
p. 5-5
Loose connection of charging transceivers.
Clean the charger terminals.
The transceiver power is ON while charging.
Turn OFF the power while charging.
–
The charging indicator
is OFF even the battery
pack is inserted to the
charger.
The battery pack is not properly inserted.
Properly insert the battery pack.
pp. 5-6, 5-7
The “
” icon blinks, or
“Connecting…” is
displayed (standby
screen is not displayed)
The transceiver is located out of the
service area.
Change your location, then try again.
–
Reboot the transceiver.
The deleted recorded
audio still exists
The battery pack was removed before the
recorded audio was deleted from memory.
Remove the battery pack after “Power
OFF…” is displayed.
p. 3-7
The recorded audio is
lost
The battery pack was removed before the
recorded audio was stored into memory.
Pairing failed
The transceiver is not in the Pairing mode.
Enter the Pairing mode.
p. 5-13
There are other active Bluetooth devices
nearby.
Stop using other Bluetooth devices.
–
Use the transceiver away from other
Bluetooth devices.
–
There are other devices that are operating
in the 2.4 GHz band.
Use the transceiver away from the
other devices, or stop using those
devices.
–
