The second lfo’s frequency is modulated by the first custom lfo.
When using pattern command for an lfo’s frequency, its usually not in line. For example 8 LPC = 8.226 LPC
You may also need a hex dec converter: http://www.renoise.com/tools/dec-hex-converter
To convert lines per beat to hex values.
You can download the “lfoFreq.xrns” example at: https://skydrive.live.com/?cid=8F9A9D66DEEAEB46&id=8F9A9D66DEEAEB46!110