Rheem 64DV - Error Code

46 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l
46
.
12 – Error Code
Explanation: Commonly GAS SUPPLY and/or
VENTING. Unit detected the presence of flame and
then lost it.
Diagnostic Checks:
 GAS SUPPLY & VENTING (refer to pages 8-11)
 Flame rod(s)
(See maintenance mode instructions on page 21)
Connector Location
On Page 14
Turn Power OFF.
Remove and reinsert connector M; T;
and terminal on flame rod(s).
Turn Power ON.
While viewing through sight glass, operate unit to determine
IF flame is touching the flame rod(s).
Indoor models – 2 flame rods (Connectors M& T).
Outdoor models – 1 flame rod (Connector M).
Access maintenance mode
to check flame rod status &
continue to diagnostic chart
on next page.
YES
Remove any foreign debris.
IF foreign debris is not
present: CHECK GAS
SUPPLY & VENTING.
NO
HINT:: Make sure DIP2 (altitude setting) is properly
set – see Page 25
SIGHT GLASS
FLAME ROD(S)