Fault Code Lookup

HVAC Sales Master
11
Failed ignition
This code typically points to
  • Flame not detected after ignition trials
  • Gas supply/manifold issue
  • Ignitor or valve-circuit issue

Next checks to confirm
  1. Accessible public snippet does not expose a dedicated per-code flowchart here
  2. Use ignition-failure checks published for corresponding furnace generation and underlying fault correlation with code 10 soft lockout

Escalation
Four ignition failures contribute to code 10 one-hour lockout
Reset behavior
Clears with successful ignition or via soft-lockout reset procedure if wrapped by 10.
Urgent
Fix now
Source
Rheem Select / W801T Installation Instructions numeric code family and one-hour lockout rule