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Troubleshooting
10
CU
700
Problem Possible Cause Remedy
All LEDs dark. • No defect. STATUS LEDs are not acti-
vated before you insert a transmitter
with batteries into a charging slot.
All LEDs dark although at least one charg-
ing slot is loaded.
1. AC adapter is not connected to power.
2. DC cable is no not connected to
charger.
3. One or more charging contacts fail to
make contact with the transmitter.
4. Internal error.
1. Connect power supply to convenient
power outlet.
2. Connect DC cable to charger.
3. Check contacts for resilience, or clean
contacts.
4. Disconnect power supply or DC cable,
wait for 10 seconds, and connect
again.
Should the problem persist, contact
your nearest AKG Service Center.
STATUS LED flashing red. • Charging cycle has been stopped:
1. Transmitter uses dry batteries.
2. Charging contacts contaminated.
3. Inside temperature of batteries is too
high.
4. Inside temperature of charger is too
high.
5. Batteries defective (voltage <0.5 V).
6. Charger connected to incompatible
power supply whose output voltage is
too high: both STATUS LEDs flashing
red.
7. Charger defective.
1. Remove transmitter from charging
slot; replace dry with rechargeable
batteries.
2. Clean charging contacts on charger
and transmitter with soft cloth.
3. Allow batteries/charger to cool down,
charging cycle will resume when tem-
perature returns to acceptable range.
Should the problem persist, contact
your nearest AKG Service Center.
4. Make sure there is enough free space
around charger to provide adequate
heat dissipation.
5. Replace batteries.
6. Use original AC adapter supplied with
charger.
7. Contact your nearest AKG Service
Center.
CU 700_D030915_Quad_Manual 08/18/2009 14:46 Seite 10 (Schwarz/Black Auszug)