Rheem 64DV - Error Code

62 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l
62
33 – Error Code
Explanation: Outlet thermistor malfunction.
Diagnostic Checks:
 Outlet thermistor
Turn Power OFF.
Remove connector R:
Measure resistance between
#3 wire (Black) & #4 wire (RED):
7K – 23K OHMS
Reinsert connector R.
Operate unit.
IF Error Code 33 appears:
Replace control board.
YES
Remove control board
bracket to access outlet
thermistor Molex near
blower motor
(How to Remove: Section 1).
Continue diagnostics
on next page.
NO
Connector Location
On Page 14
CONTROL
BRACKET