Fault Code Lookup

HVAC Sales Master
Red communications LED 2 flashes
Out-of-box reset
This code typically points to
  • Control power up
  • LEARN button depressed

Next checks to confirm
  1. None listed as required in table
  2. Confirm whether this is expected during setup/reset activity

Escalation
Reset-state indicator, not a fault by itself
Reset behavior
State occurs on control power-up or learn-button action.
Informational
No action needed
Source
Daikin Fit Outdoor Unit Installation Manual 3P515859-5S, network troubleshooting LED table, p.38