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Fan only works fine

The symptoms are
For A/C - fan comes on but condenser does not
For heat - heater fires up but fan does not come on
I do have the rh to rc jumper

The new stat can run on batteries and I didn't...

I'm trying to replace my Honeywell T87F thermostat with a Honeywell RTH7500D. Have tried all combos and can't seem to get it to work. Here's the 4-wire connections to the T87F:
Blue Wire --> Y...