Toa TS-800 Series - Manual (Page 54)

54
Power indicator (green)
does not light even if the
power switch is turned
ON.
Charging status indicator
(red) does not light even if
the lithium-ion battery is
inserted into its receptacle.
Short battery recharge
duration.
AC plug is not inserted into the wall
AC outlet. Insert the AC plug to the wall AC outlet.
Is the lithium-ion battery correctly
inserted into its receptacle? Insert the lithium ion battery fully into its
receptacle.
Deterioration of the lithium-ion
battery. Replace with a brand-new BP-900
Lithium-Ion Battery.
Charging terminals are dirty. Wipe the terminals with a dry cotton
swab to clean them.
Symptom Cause and Points to Check Remedy
Fuse has blown. The fuse must be replaced.
For replacement, consult your TOA
dealer.
Symptom Cause and Points to Check Remedy
Battery can be used only
for a short period of time. Not fully charged. Charging is completed within 5 hours.
Note: Fully charged batteries can be
used for up to 10 hours.
(Refer to p. 40.)
Battery is approaching the end of its
life. Use a brand-new battery.
Note: Battery can be recharged almost
300 times.
Mic-Off function does not
work. High background noise level
generated by such equipment as air
conditioners. In areas where the background noise
level is high, the Mic-Off function may
not work.
Reposition in a low-noise location or
turn off the Mic-Off function.
Symptom
Cannot switch ON the
power.
Cause and Points to Check
Power cord or DC plug not connected.
Remedy
Correctly connect the power cord and
DC plug supplied with the Central unit.
(Refer to p. 22.)
16.2. Central Unit TS-800
16.3. Battery Charger BC-900
Indicator on the
microphone extinguishes
during speech. Mic-Off function set to ON. Disable the Mic-Off function if a long
pause is made during speech.
Microphone indicator
flashes. Battery voltage has dropped below a
marginal level. Replace the battery with a fully charged
one.
Chime does not sound
when the Priority Speech
key is pressed. Central unit's rear panel-mounted
Priority Chime volume control is set
to the minimum volume position. Adjust the volume control to an
appropriate level.