Warning Code - Rheem 64DV Troubleshooting Manual

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e
10 – Warning Code
Explanation: Unit was operated prior to vent
installation OR blower motor is not creating enough
ventilation.
First: Follow reset procedure on page 26.
Next: Check VENTING.
Diagnostic Checks:

VENTING (refer to pages 8-11)

Blower motor
Remove control board bracket. (How to remove: Section 1)
Remove blower motor. (How to remove: Section 2)
Clean blower motor and blower motor housing.
Locate MIN & MAX buttons
on upper right-hand corner of
control board.
Continue diagnostics on next
page.
CONTROL
BRACKET
Reassemble & operate unit.
Does 10-Warning Code appear?
Blower motor needed to be
cleaned or you had a loose
connection.
Unit appears to be operating
OK.
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