Follow the connection process to the "T". Make sure the "Network" Switch is set to "Master"
Connect the "Balance" Tap and within 12 seconds connect the Main pack Connector
Now Push The "Mode/Reset" button once
The LED should now blink in one second intervals.
Now start the charge sequence
Let me know if this works or not for you.
If this doesn't help let me know what charger your using.
Jason