Symptom Problem Isolation Steps Resolution
Flexmike (FM)
will not power
on
Check
that the correct battery is being
used.
Use the Lightspeed NH2.4V NiMH rechargeable
battery pack as it is the only kind of battery that
will properly charge with the FM.
Check
that the battery pack is charged. Substitute a known good battery pack and see
if it charges in the microphone. If it does charge,
replace worn or defective battery pack. Typical
battery life is 1-2 years.
Verify
that the power button on the
microphone is turned on.
Once turned on, the blue light should begin blink-
ing.
Check
that the battery pack is working
properly.
Connect the microphone to the charging cable.
The microphone should power on and the blue
microphone light and red charging light will turn
on.
FM won’t
charge
Verify
that the correct battery is being
used.
Use the Lightspeed NH2.4V NiMH rechargeable
battery pack as it is the only kind of battery that
will properly charge with the FM.
Verify
that the FM charging circuitry is
working properly.
Substitute a known good battery pack and see
if it charges in the microphone. If it does charge,
replace worn or defective battery pack. Typical
battery life is 1-2 years.
Verify
that the FM is properly plugged
into charger.
When the FM is properly plugged into the charger,
the red charging light turns on. The green light will
turn on when a full charge is reached.
Verify
that the USB power supply is not
damaged or defective.
Try known good USB charger.
Microphone
does not indi-
cate ‘Ready’
signal (solid
blue or red
light)
Check
the microphone by power cy-
cling.
Power the microphone off, then on again after a
few seconds. Wait for up to 30 seconds for the
blue light to turn solid, indicating READY for
operation.
SP0538US02-0
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