Rheem 64DV - Page 64

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 63
63
Blower Motor
Molex Connectors
Locate & separate Black
Molex (located near blower
motor). Check resistance
across White wires on female
end of Molex:
7K – 23K Ohms
YES
Clean scale build-up outlet
thermistor. Reassemble and
operate unit. IF Error Code
33 appears:
Replace outlet thermistor.
Reconnect Molex. Check
resistance on connector R
between #3 wire (Black) and
#4 wire (Red):
7K – 23K Ohms
YES
Replace wiring harness for
connector Ron control
board.
NO
Reinsert connector R.
Operate unit.
IF 33 - Error Code
appears:
Replace control board.