Rheem 64DV - Page 80

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 79
79
Explanation: Gas control valve malfunction
(inlet solenoid).
Diagnostic Checks:
 Gas control valve
71 – Error Code
Connector Location
On Page 14
Turn Power OFF. Remove
and reinsert connector K.
Operate unit.
Does 71 – Error Code
appear?
YES
Unit had a loose connection.
Unit appears to be operating
OK
NO
While unit is attempting to
ignite; check DC voltage
across Yellow & black wires
on connector K:
90 – 120 DC Volts
YES
Check connector K.
Operate unit again.
IF 71 – Error Code appears:
Replace control board.
NO
Operate unit.
IF 71 – Error Code appears:
Replace gas control valve.
GAS VALVE