Troubleshooting - AKG WMS4000 User Instructions

4 Charging
5 Cleaning
Important!
Important!

6 Troubleshooting

Problem
All LEDs dark.
All LEDs dark although BP 400 or transmit-
ter w/BP 4000 is in a charging slot.
LEDs on one charging slot dark, although
BP 400 or transmitter w/BP 4000 is in this
charging slot.
CHARGE LED flashing red.
CHARGE and/or RECOVER LED(s) flashing
red.
14
4. Avoid charging the BP 4000 at temperatures below +5°C or above +40°C. At these temperatures, the
charging cycle will not start and the CHARGE LED will start flashing red.
1. Disconnect the DC cable from the rear panel DC 12 V jack.
2. Use a cloth moistened (not wet!) with water to clean the surfaces of the charger.
Never use caustic or scouring cleaners or cleaning agents containing alcohol or solvents since
these may damage the enamel or plastic parts.
Possible Cause
• No defect. LEDs in front of each charging
slot are not activated before you insert a
BP 4000 or transmitter w/BP 4000 into the
charging slot.
1. Power supply is not connected to power.
2. DC cable is no not connected to power
supply/PSU 4000 and/or charger.
3. Internal error.
• Internal error.
• Charging cycle has been stopped:
1. Transmitter uses dry or standard recharge-
able batteries
2. Charging contacts contaminated.
3. Inside temperature of BP 4000 or charger
too high/low.
4. BP 4000 defective.
5. Charger defective.
6. Excessive mechanical vibrations during
charging (HT 4000 and PT 4000 w/o belt
clip only).
• Recovery cycle has been stopped:
1. Transmitter uses dry or standard recharge-
able batteries
2. Charging contacts contaminated.
3. Inside temperature of BP 4000 or charger
too high/low.
4. BP 4000 defective.
5. Charger defective.
6. Excessive mechanical vibrations during
charging (HT 4000 and PT 4000 w/o belt
clip only).
Remedy
• (Insert BP 4000 or transmitter w/BP 4000.)
1. Connect power supply to convenient
power outlet.
2. Connect DC cable to power supply/PSU
4000 and/or charger.
3. Disconnect power or DC cable, wait for 10
secs, and connect again.
Should the problem persist, contact your
nearest AKG Service Center.
• Disconnect power or DC cable, wait for 10
secs, and connect again.
Should the problem persist, contact your
nearest AKG Service Center.
1. Remove transmitter from charging slot;
replace batteries with BP 4000.
2. Clean charging contacts on charger and
transmitter/BP 4000 with soft cloth.
3a Allow BP 4000/charger to cool down, start
charging cycle again at lower/higher ambi-
ent temperature.
3b Make sure there is enough free space
around charger to ensure adequate heat
dissipation.
4. Replace BP 4000.
Should the problem persist, contact your
nearest AKG Service Center.
5. Contact your nearest AKG Service Center.
6. Make sure charger will not be exposed to
vibrations and restart charging cycle.
1. Remove transmitter from charging slot,
replace batteries with BP 4000.
2. Clean charging contacts on charger and
transmitter/BP 4000 with soft cloth.
3a Allow BP 4000/charger to cool down, start
charging cycle again at lower/higher ambi-
ent temperature.
3b Make sure there is enough free space
around charger to ensure adequate heat
dissipation.
4. Replace BP 4000.
Should the problem persist, contact your
nearest AKG Service Center.
5. Contact your nearest AKG Service Center.
6. Make sure charger will not be exposed to
vibrations and restart charging cycle.
CU 4000