Fault Code Lookup

HVAC Sales Master
9 flashes
Open inducer limit error
This code typically points to
  • Inducer limit switch open
  • Inducer overheating
  • Failed inducer
  • Wiring fault in inducer limit circuit

Next checks to confirm
  1. Verify inducer operation and current draw
  2. Inspect inducer limit switch and wiring
  3. Check inducer for mechanical failure or restriction

Escalation
Repeated inducer limit trips points to failed inducer or venting obstruction.
Reset behavior
Stored in memory; auto-erased after 14 days.
Urgent
Fix now
Source
Emerson 50V64-743 diagnostic features