Rheem 64DV - Page 72

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 71
71
While unit is attempting to
ignite:
Check DC volts across
#1 wire (Red) and #2 wire
(Black) on connector R:
1.5 – 14 DC Volts
YES
Remove & reinsert R.
Operate unit.
If 52 – Error Code appears:
Replace control board.
NO
While unit is attempting to
ignite:
Check DC volts across Red
and Black wires at PGFR:
1.5 – 14 DC Volts
YES
Replace wiring harness for
connector Ron control
board.
NO
Make sure Black & Red wires
are properly connected to
PGFR. Operate unit.
IF 52 - Error Code appears:
Replace gas control valve.
PGFR
RED & BLACK
WIRES