Rheem 64DV Troubleshooting Manual page 88

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e
Blower Motor Diagnostics:
Test DC voltage across
Blue and White wires
on connector G :
144 – 192 DC Volts
Hold down MAX button.
Test DC voltage across
Blue & Red wires
on connector G :
12 – 18 DC Volts
Hold down MAX button.
Test DC voltage across
Blue & Yellow wires
on connector G :
4 – 10 DC Volts
Operate Unite.
If 79 – Error Code appears:
Replace control board.
Upper-Right Hand Corner of Control Board
MIN
Outdoor Models ONLY
NO
NO
NO
Remove & reinsert G .
Operate unit again.
IF Code 79 appears:
Replace control board.
Remove & reinsert G .
Operate unit again.
IF Code 79 appears:
Replace control board.
Remove & reinsert G .
Operate unit again.
IF Code 79 appears:
Replace blower motor.
MAX
87
87