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In March 2013 the CE250s were revised, this revision is not compatible with older CE250 sets
Check the serial number of both the local and remote units for the following:
The 9th position of the serial numbers of the Local and Remote units must be the same letter
I.E. if the 9th position is an “A” on one unit, the other unit must also be an “A”.
If the 9th position is an “B” on one unit, the other unit must also be an “B” |