Rheem 64DV - Error Code; High-Efficiency ONLY (A)

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 55
55
29 – Error Code (A)
Explanation: High-Efficiency (condensing) Units
ONLY: Condensation is NOT draining.
Diagnostic Checks:
 Plug not removed from condensate drain
 Pinch in condensate drain line
 Blockage in condensate drain line
 Drain line has unnecessary “P” trap
Condensate Drain Diagnostics:
1. Ensure you removed the condensate
protection plug located at bottom of unit &
attached a condensate drain line to the unit.
2. Check condensate drain line for internal or
external blockage. Make sure drain line is
NOT pinched.
3. Remove “P” trap on condensate drain line.
BOTTOM OF UNIT