Answer :

Two clauses that have no logical relationship are joined in one sentence.
Faulty coordination is when two ideas of unequal nature are linked together. An example would be similar to this:

The sky is beautiful, the sun is shining and we like the weather report.

Revised: We like the weather report because the sky is beautiful and the sun is shining.

The child had a fever when the child coughed a lot and since the mom called the doctor three times her insurance rates will probably go up.

Revised: The mom called the doctor three times about the child with a fever and a cough which will probably lead to insurance rates going up.