Check The Indoor Fan 36K - Friedrich VRP12K Service And Parts Manual

COMPONENT TESTING

Check the Indoor Fan 36k

1. Check for line voltage at terminal block.(blue and red wires)
Note: There is an inline fuse installed on red wire (check for
continuity if line voltage is not present.) always ensure power
is removed from unit when checking continuity)
2. Check for 10 vdc at red and black wire at white molex
connector for indoor fan motor next to fmc board.
3. If line voltage is present at terminal block, but 10vdc is not
present at white connecor, indoor fan motor is bad.
4. If10vdc is present at white molex connector, jump from red
wire to yellow wire.
If fan does not run at full speed, fan is bad.
132