Conditional Formatting Using a named range

I have looked at other posts on this topic and they have not helped.

I have a sheet called Quote Summary and a sheet called AssemblyBoms.
In the Bom sheet, I have a named range for QtyPer and a named range for unit price because these ranges are dynamic.
On the quote summary sheet, I want to format the cell (A9 and eventually A9 to A28 and so on), which contains a formula right now that only references a tag and does some equivalence checking (=IF(AND(QSA>0,QSA=qty1a),assembly1,"")), to have a yellow background if QtyPer>0 but unit price = "" or 0. I know the formulas for this, but it is not formatting anything. Attached workbook below.

QUOTETEMPLATEMACROTEST.xlsm

Conditional Formula for true:
="AND(qtyper1 > 0, unita1 = "")"

I typed it in without the = or "", but the formatting added those in for me.

I typed a number in the qtyper1 range and left the unita1 range blank to test it and no formatting has occurred.

Am I missing something?

UPDATE: Tried referencing the individual cell that I was testing and still no formatting.

Formula used:

="AND('ASSEMBLYBOMS'!E2 > 0, 'ASSEMBLYBOMS'!G2 = "")"

Still no formatting

REVISE: It did work for the individual cell reference, but not the named ranges. I need to look at the whole ranges.

Because cell references, whether absolute or relative, are not foolproof. I do need to clean some of those up that aren't being used. Some of them are from an old excel made by someone else that I don't use in the new excel.

On the topic at hand, I found that using helper columns, well, helped :P I wanted to avoid using them but it looks like I have to. In my BOM sheet, I have this formula in column X: =AND($E2>0,$G2=""). Then, in column Y, I have the boolean text converted to boolean standard values: =IF($X2,1,0). I sum this column in Y62:=SUM($Y2:$Y61). Basically it counts the errors specified in my first post. Then, my conditional formatting formula in the summary sheet is: =ASSEMBLYBOMS!$Y62>0. It works alright.

More work than I wanted to waste space on in a workbook, but I guess it can't be helped. I'm open to any shortcuts.

I will try, hehe. Gotta make sure theyre not being used or referenced etc. After I am done there will still be quite a few considering we have space for 20 assemblies on the BOM and some much needed info from all 20 to put in other sheets.

Doing some formatting and testing for my previously mentioned method involving helper columns.

The macros in the workbook are pretty much all formatting for other functions of the workbook, so don't worry about them.

Heres my workbook using hidden helper columns to do conditional formatting. If there's a part with a qty per and no unit price (a part was missed in the pricing process), turn the assembly number red on the summary sheet.

QUOTETEMPLATEMACROTEST.xlsm