Rheem 64DV Troubleshooting Manual page 77

76 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l
Explanation: Water volume control valve
malfunction.
Diagnostic Checks:

Water volume control valve
Turn Power Off, Remove & Reinsert connector C .
Remove control board bracket. (How to remove: Section 1)
Visually inspect water volume control valve for
Locate MIN & MAX buttons
on upper right-hand corner of
control board.
Continue diagnostics on next
page.
Connector Location
On Page 14
Water volume control
valve, located to right of
blower motor, connected
directly to water inlet.
76
65 – Error Code
loose or damaged connections
Reassemble & operate unit.
Does 10-Warning Code appear?
Blower Motor
Blower motor needed to be
cleaned or you had a loose
connection.
Unit appears to be operating
OK.