Rheem 64DV Troubleshooting Manual page 86

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e
Explanation: Blower motor current fault.
Diagnostic Checks:

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
MIN & MAX
BUTTONS
79 – Error Code
Turn Power OFF.
Reassemble & operate unit.
Does 79 – Error Code appear?
Unit had a loose connection.
Unit appears to be operating
OK.
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