Fault Code Lookup

HVAC Sales Master
2
System Lockout (Retries or Recycles exceeded)
This code typically points to
  • Loss of flame
  • Gas supply failure
  • Ignition not achieved after retries

Next checks to confirm
  1. Verify gas supply
  2. Verify ignition sequence and flame sense
  3. Public text says control retries up to 2 times after flame loss; then locks out if ignition not achieved

Escalation
Lockout state
Reset behavior
Manual reset by cycling power per lockout reset procedure.
Urgent
Fix now
Source
Trane 18-CD19D2-18 Installer's Guide, p.22-23