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Troubleshooting - Black Box CP151A Operating Instructions

Dual desktop charger

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Troubleshooting

Status: No LED display.
Possible Solutions:
1. Did the cable fall off, or is it damaged? Reconnect or
change the cable.
2. Does the AC adapter have voltage? Use the original AC
adapter.
3. Is the polarity correct? Use the original AC adapter.
Status: The battery is installed in the phone, but no there's
no LED display.
Possible Solutions:
1. Is the phone contacting the metal pins on the charger?
Position and slide the phone into place again to make sure
the metal tabs connect to the metal pins.
2. Are the metal tabs on the phone oxidized? Clean the metal
pins.
3. Are the metal pins on the charger oxidized? Clean the
metal tabs.
4. Some phones that have security protection will delay
charging. Wait a few minutes.
Status: LED is flashing sporadically.
Possible Solution: Make sure the battery is not defective.
Change the battery if it's defective.

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This manual is also suitable for:

Cp132a